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ZOTAC Gaming GeForce RTX 4070 Twin Edge OC Review | 118 Data compared

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  • Avg. price in UK: ~£570
  • Avg. price in US: ~$570
  • VRAM: 12 GB
  • Memory bus width: 192 bit
  • Thermal Design Power (TDP): 200 W

ZOTAC Gaming GeForce RTX 4070 Twin Edge OC review. Compare 118 technical specifications and user reviews to see how it ranks among graphics cards and if it is worth buying.

7.0

Overall score

What it is: An overall evaluation of the graphics card's quality, based on technical analyses and user reviews.

When it matters: When you need a quick reference to identify the best graphics cards on the market.

Score components:

90.0%

6.8

Technical Score

10.0%

8.5

User score

Very good
6.8

Technical Score

What it is: An assessment of the graphics card's technical performance, covering key areas such as gaming and rendering performance, ray tracing, memory configuration, power efficiency, cooling, connectivity, features, and build quality.

When it matters: When you want to compare graphics cards based on technical performance and available features.

Score components:

44.0%

6.2

Performance

24.0%

5.1

Memory

12.0%

8.2

Power & Cooling

11.0%

9.7

Platform & Features

5.0%

9.2

Design

4.0%

9.4

Connectivity & Media

Good
8.5

User score

What it is: A rating that combines user reviews and the total number of reviews received by the graphics card.

When it matters: When you want to understand how a graphics card performs in real use and how reliable it is in terms of performance, temperatures, noise, stability, and long-term ownership.

Score components:

70.0%

9.0

User reviews

30.0%

7.2

Popularity

User score:
United Kingdom
amazon
4.5
(110)
amazon
4.9
(12)
amazon
4.1
(9)
amazon
4.0
(5)
amazon
5.0
(3)
United States
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4.5
(115)
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4.9
(12)
Amazon_logo.png
4.1
(9)
Amazon_logo.png
4.0
(5)
Amazon_logo.png
5.0
(3)

(Reviews last updated: June 2026)

Excellent
  • 5.4
    Gaming

    Score components:

    45.0%

    5.8

    Floating-point performance

    25.0%

    4.0

    VRAM

    20.0%

    4.7

    Ray tracing cores / units

    10.0%

    8.8

    PCI Express (PCIe) version

  • 7.2
    Video editing

    Score components:

    35.0%

    10

    AV1 encode

    30.0%

    4.0

    VRAM

    20.0%

    5.8

    Floating-point performance

    15.0%

    8.8

    PCI Express (PCIe) version

  • 5.6
    1080p

    Score components:

    55.0%

    5.8

    Floating-point performance

    25.0%

    4.0

    VRAM

    10.0%

    4.7

    Ray tracing cores / units

    10.0%

    8.8

    PCI Express (PCIe) version

  • 5.3
    1440p

    Score components:

    50.0%

    5.8

    Floating-point performance

    30.0%

    4.0

    VRAM

    15.0%

    4.7

    Ray tracing cores / units

    5.0%

    8.8

    PCI Express (PCIe) version

  • 5.1
    4K

    Score components:

    40.0%

    5.8

    Floating-point performance

    35.0%

    4.0

    VRAM

    20.0%

    4.7

    Ray tracing cores / units

    5.0%

    8.8

    PCI Express (PCIe) version

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Best rankings

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Available: ranking among products currently available (including other versions of this product).
All: ranking among all products in the database.

Verdict

The Zotac Gaming GeForce RTX 4070 Twin Edge OC is a compact, SFF-friendly graphics card built on the NVIDIA Ada Lovelace architecture, featuring 5,888 CUDA cores and 12GB of GDDR6X VRAM on a 192-bit bus. It offers a factory-overclocked boost speed of up to 2490 MHz and utilizes the IceStorm 2.0 cooling system with dual 90mm fans to maintain performance within a modest 200W TDP. Key advantages include its space-saving 2.2-slot design (225.5mm length), efficient power consumption requiring only a single 8-pin PCIe connector, and full support for DLSS 3 frame generation and ray tracing. However, some users have noted that the smaller cooler can lead to audible fan noise at high speeds (above 70%), and the limited RGB customization often requires specific software to disable.

Technical Specifications of ZOTAC Gaming GeForce RTX 4070 Twin Edge OC

Technical Score

What it is: An assessment of the graphics card's technical performance, covering key areas such as gaming and rendering performance, ray tracing, memory configuration, power efficiency, cooling, connectivity, features, and build quality.

When it matters: When you want to compare graphics cards based on technical performance and available features.

Score components:

44.0%

6.2

Performance

24.0%

5.1

Memory

12.0%

8.2

Power & Cooling

11.0%

9.7

Platform & Features

5.0%

9.2

Design

4.0%

9.4

Connectivity & Media

6.8
ZOTAC Gaming GeForce RTX 4070 Twin Edge OC has a technical score of 6.83 points, which is higher than that of 58.8% of products in this category.
User score

What it is: A rating that combines user reviews and the total number of reviews received by the graphics card.

When it matters: When you want to understand how a graphics card performs in real use and how reliable it is in terms of performance, temperatures, noise, stability, and long-term ownership.

Score components:

70.0%

9.0

User reviews

30.0%

7.2

Popularity

User score:
United Kingdom
amazon
4.5
(110)
amazon
4.9
(12)
amazon
4.1
(9)
amazon
4.0
(5)
amazon
5.0
(3)
United States
Amazon_logo.png
4.5
(115)
Amazon_logo.png
4.9
(12)
Amazon_logo.png
4.1
(9)
Amazon_logo.png
4.0
(5)
Amazon_logo.png
5.0
(3)

(Reviews last updated: June 2026)

8.5
ZOTAC Gaming GeForce RTX 4070 Twin Edge OC has a user score of 8.46 points, which is higher than that of 70.5% of products in this category.
Popularity
What it is: An indicator based on the number of reviews received by the graphics card.
When it matters: When you prefer a graphics card that has already been chosen and reviewed by many other users.
7.2
ZOTAC Gaming GeForce RTX 4070 Twin Edge OC has a popularity of 7.2 points, which is higher than 69.6% of products in this category.
Ratio quality/price

What it is: An indicator that combines the graphics card's overall rating with its cost.

When it matters: When you are looking for a graphics card that offers a strong balance of performance, features, and price.

Score components:

60.0%

7.0

Overall score

40.0%

7.5

Price

7.1
ZOTAC Gaming GeForce RTX 4070 Twin Edge OC has a quality-to-price ratio of 7.1 points, which is higher than 67.6% of products in this category.
3DMark Time Spy benchmark score
What it is: Benchmark result from 3DMark Time Spy, a synthetic DirectX 12 test often used as a quick gaming-performance reference.
When it matters: When you need a fast rough performance sort before digging into game-specific reviews and frame-rate data.

Importance: LOW

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3DMark Port Royal score
What it is: Benchmark result from 3DMark Port Royal, a synthetic test focused on ray tracing performance.
When it matters: When ray tracing matters in the games you actually play and you want one quick way to separate stronger and weaker RT cards.

Importance: LOW

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PassMark (G3D) result
What it is: Overall GPU performance score in PassMark G3D benchmark
When it matters: When you need one broad score to sort cards into rough performance tiers.

Importance: LOW

26,918 points
ZOTAC Gaming GeForce RTX 4070 Twin Edge OC scores 26918 points in PassMark G3D, which is higher than 80.4% of graphics cards and equal to 2.2% of graphics cards.
PassMark (DirectCompute) result
What it is: PassMark score for DirectCompute performance tests
When it matters: When compute workloads matter alongside gaming performance.

Importance: LOW

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Floating-point performance
What it is: Theoretical floating-point compute performance of the GPU.
When it matters: When rendering, AI, or heavy compute work needs strong single-precision throughput.

Importance: LOW

29.32 TFLOPS
ZOTAC Gaming GeForce RTX 4070 Twin Edge OC delivers 29.32 TFLOPS floating-point performance, which is higher than that of 55.7% of graphics cards and equal to that of 0.1% of graphics cards.
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VRAM
What it is: Total video memory available on the graphics card
When it matters: When you play at high settings, use texture mods, or work with large creative projects.

Importance: HIGH

12 GB
ZOTAC Gaming GeForce RTX 4070 Twin Edge OC has 12 GB of VRAM, which is more than 45.4% of graphics cards and equal to 15.9% of graphics cards.
Memory type
What it is: Type of graphics memory used (GDDR6, HBM2e, etc.)
When it matters: When memory technology is part of the buying decision because it affects bandwidth class, power use, and product positioning.

Importance: LOW

GDDR6X
GDDR version
What it is: Generation of GDDR memory used by the graphics card.
When it matters: When you want to separate older memory generations from newer ones before comparing bandwidth, power behavior, and market tier.

Importance: LOW

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Memory bus width
What it is: Width of the memory interface bus in bits
When it matters: When you care about steadier performance at higher resolutions, heavier texture settings, or ray-traced workloads that stress memory traffic.

Importance: HIGH

192 bit
ZOTAC Gaming GeForce RTX 4070 Twin Edge OC uses a 192 bit memory bus, which is narrower than that of 50.5% of graphics cards and equal to that of 18.8% of graphics cards.
Maximum memory bandwidth
What it is: Maximum data transfer rate between GPU and its memory
When it matters: When 4K gaming, ray tracing, or creator work can choke a slower memory subsystem.

Importance: HIGH

504.2 GB/s
ZOTAC Gaming GeForce RTX 4070 Twin Edge OC reaches 504.2 GB/s memory bandwidth, which is higher than that of 56% of graphics cards and equal to that of 4.1% of graphics cards.
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PCI Express (PCIe) version
What it is: Version of PCI Express interface supported
When it matters: When you are pairing the card with an older motherboard and want to avoid leaving bandwidth or future compatibility on the table.

Importance: LOW

4.0
ZOTAC Gaming GeForce RTX 4070 Twin Edge OC supports PCIe 4.0, which is newer than on 22.5% of graphics cards and equal to 52% of graphics cards.
PCIe lanes
What it is: Number of PCI Express lanes used for communication
When it matters: When limited lane width could bottleneck the card in some systems.

Importance: LOW

x16
ZOTAC Gaming GeForce RTX 4070 Twin Edge OC uses x16 PCIe lanes, which is more than 31.5% of graphics cards and equal to 68.6% of graphics cards.
DirectX version
What it is: Highest supported DirectX API version
When it matters: When you play newer Windows games that depend on the latest graphics features.

Importance: LOW

12 Ultimate
ZOTAC Gaming GeForce RTX 4070 Twin Edge OC supports DirectX 12 Ultimate, which is more advanced than on 12.5% of graphics cards and equal to 87.5% of graphics cards.
Vulkan version
What it is: Highest supported Vulkan API version
When it matters: When modern games, emulators, or creative apps lean on Vulkan support.

Importance: LOW

1.3
ZOTAC Gaming GeForce RTX 4070 Twin Edge OC supports Vulkan 1.3, which is older than on 73.5% of graphics cards and equal to 22.5% of graphics cards.
OpenGL version
What it is: Highest supported OpenGL API version
When it matters: When older games or pro apps still depend on OpenGL compatibility.

Importance: LOW

4.6
ZOTAC Gaming GeForce RTX 4070 Twin Edge OC supports OpenGL 4.6, which is more advanced than on 4.8% of graphics cards and equal to 95.2% of graphics cards.
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Max displays supported
What it is: Total number of external displays supported simultaneously
When it matters: When you run a multi-monitor desk for sim racing, trading, or editing.

Importance: LOW

4
ZOTAC Gaming GeForce RTX 4070 Twin Edge OC supports up to 4 displays, which is more than 7.8% of graphics cards and equal to 89.2% of graphics cards.
Max digital resolution
What it is: Maximum supported digital display resolution
When it matters: When you plan to drive 4K or 8K panels at their native resolution.

Importance: LOW

7680x4320
ZOTAC Gaming GeForce RTX 4070 Twin Edge OC supports a maximum digital resolution of 7680x4320, which is higher than that of 44.4% of graphics cards and equal to that of 55.6% of graphics cards.
DisplayPort outputs
What it is: Number of DisplayPort video outputs
When it matters: When your setup needs several high-refresh monitors without adapters.

Importance: LOW

3
ZOTAC Gaming GeForce RTX 4070 Twin Edge OC offers 3 DisplayPort outputs, which is more than 20.9% of graphics cards and equal to 77.3% of graphics cards.
DisplayPort version
What it is: Version of DisplayPort standard supported
When it matters: When your monitor setup depends on newer DisplayPort features for higher refresh rates, higher resolution, or better cable flexibility.

Importance: LOW

1.4a
ZOTAC Gaming GeForce RTX 4070 Twin Edge OC supports DisplayPort 1.4a, which is more advanced than on 22.7% of graphics cards and equal to 44.2% of graphics cards.
DisplayPort link rates
What it is: Supported data link rates for DisplayPort connections
When it matters: When you are pushing high resolution and refresh rate over DisplayPort.

Importance: LOW

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Thermal Design Power (TDP)
What it is: Typical power consumption under full load (TDP)
When it matters: When you need a realistic idea of power draw before choosing a PSU or case.

Importance: MEDIUM

200 W
ZOTAC Gaming GeForce RTX 4070 Twin Edge OC has a TDP of 200 W, which is lower than that of 51.3% of graphics cards and equal to that of 3.9% of graphics cards.
Power consumption while under peak load
What it is: Peak power draw of the graphics card under maximum load.
When it matters: When transient-heavy gaming loads could stress your power supply.

Importance: LOW

200 W
ZOTAC Gaming GeForce RTX 4070 Twin Edge OC draws 200 W under peak load, which is lower than 52% of graphics cards and equal to 3.8% of graphics cards.
Recommended PSU wattage
What it is: Recommended wattage of the system power supply
When it matters: When you are checking whether your current power supply is enough.

Importance: LOW

600 W
ZOTAC Gaming GeForce RTX 4070 Twin Edge OC recommends a 600 W PSU, which is lower than that of 55.7% of graphics cards and equal to that of 7.5% of graphics cards.
Board power limit
What it is: Maximum configurable power limit for the GPU board
When it matters: When you care about how far the card can be pushed through tuning or factory power settings.

Importance: LOW

200 W
ZOTAC Gaming GeForce RTX 4070 Twin Edge OC has a board power limit of 200 W, which is lower than that of 54.2% of graphics cards and equal to that of 3.4% of graphics cards.
PCIe power spec
What it is: PCIe power delivery specification followed
When it matters: When you are checking whether the slot and external cables match the card's intended power-delivery standard.

Importance: LOW

200 W
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Size
What it is: Physical size of the GPU card
When it matters: When you need the card to fit a compact case without blocking nearby hardware.

Importance: LOW

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Length
What it is: Physical length of the GPU card
When it matters: When front radiators or drive cages leave only limited GPU clearance.

Importance: LOW

225.5 mm
ZOTAC Gaming GeForce RTX 4070 Twin Edge OC is 225.5 mm long, which is shorter than 83.9% of graphics cards and equal in length to 0.3% of graphics cards.
Height
What it is: Physical height of the GPU card
When it matters: When side panels, brackets, or tight case layouts reduce vertical clearance.

Importance: LOW

123.2 mm
ZOTAC Gaming GeForce RTX 4070 Twin Edge OC is 123.2 mm tall, which is shorter than 60.2% of graphics cards and equal in height to 0.6% of graphics cards.
Slot width
What it is: Number of PCIe slots occupied by the card
When it matters: When you need room for another PCIe card or better airflow under the GPU.

Importance: LOW

2.2 slot/s
ZOTAC Gaming GeForce RTX 4070 Twin Edge OC occupies 2.2 slot/s, which is wider than 51% of graphics cards and equal in width to 1.1% of graphics cards.
Weight
What it is: Total weight of the graphics card
When it matters: When sag, bracket support, or shipping stress matters in your build.

Importance: LOW

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ZOTAC Gaming GeForce RTX 4070 Twin Edge OC vs the average graphics card

  • 59.87 mm shorter card length
    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC is shorter than the average graphics card (225.5 mm vs 285.37 mm). The average graphics card has a length of 285.37 mm.
    What it is: Physical length of the GPU card
    When it matters: When front radiators or drive cages leave only limited GPU clearance.

    Importance: LOW

    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC is shorter than the average graphics card (225.5 mm vs 285.37 mm). The average graphics card has a length of 285.37 mm.225.5 mm vs 285.37 mm
  • 2.36x higher PassMark score
    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC has a higher PassMark score than the average graphics card (26,918 points vs 11,411 points). The average graphics card has a PassMark score of 11,411 points.
    What it is: Overall GPU performance score in PassMark G3D benchmark
    When it matters: When you need one broad score to sort cards into rough performance tiers.

    Importance: LOW

    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC has a higher PassMark score than the average graphics card (26,918 points vs 11,411 points). The average graphics card has a PassMark score of 11,411 points.26918 points vs 11411 points
  • 10.5% faster memory speed
    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC has a higher effective memory speed than the average graphics card (21,000 MHz vs 19,000 MHz). The average graphics card reaches an effective memory speed of 19,000 MHz.
    What it is: Effective memory data rate combining clock and bus width
    When it matters: When you compare how quickly each card can push data through its memory subsystem.

    Importance: MEDIUM

    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC has a higher effective memory speed than the average graphics card (21,000 MHz vs 19,000 MHz). The average graphics card reaches an effective memory speed of 19,000 MHz.21000 MHz vs 19000 MHz
  • 12.5% higher memory bandwidth
    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC has a higher memory bandwidth than the average graphics card (504.2 GB/s vs 448 GB/s). The average graphics card has a memory bandwidth of 448 GB/s.
    What it is: Maximum data transfer rate between GPU and its memory
    When it matters: When 4K gaming, ray tracing, or creator work can choke a slower memory subsystem.

    Importance: HIGH

    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC has a higher memory bandwidth than the average graphics card (504.2 GB/s vs 448 GB/s). The average graphics card has a memory bandwidth of 448 GB/s.504.2 GB/s vs 448 GB/s
  • Newer HDMI version
    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC supports a newer HDMI version than the average graphics card (2.1a vs 2.1).
    What it is: Version of HDMI standard supported
    When it matters: When the card will connect to a modern TV or monitor that needs newer HDMI features for high refresh, VRR, or higher bandwidth modes.

    Importance: LOW

    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC supports a newer HDMI version than the average graphics card (2.1a vs 2.1).2.1a vs 2.1
  • 21.6% higher texture rate
    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC has a higher texture rate than the average graphics card (458.2 GTexel/s vs 376.8 GTexel/s). The average graphics card has a texture rate of 376.8 GTexel/s.
    What it is: Number of textured pixels the GPU can process per second
    When it matters: When fast texture handling matters in high-refresh gaming workloads.

    Importance: HIGH

    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC has a higher texture rate than the average graphics card (458.2 GTexel/s vs 376.8 GTexel/s). The average graphics card has a texture rate of 376.8 GTexel/s.458.2 GTexel/s vs 376.8 GTexel/s
  • 7.7% lower PSU requirement
    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC has a lower PSU requirement than the average graphics card (600 W vs 650 W). The average graphics card has a PSU requirement of 650 W.
    What it is: Recommended wattage of the system power supply
    When it matters: When you are checking whether your current power supply is enough.

    Importance: LOW

    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC has a lower PSU requirement than the average graphics card (600 W vs 650 W). The average graphics card has a PSU requirement of 650 W.600 W vs 650 W
  • 6 more compute units
    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC has more compute units than the average graphics card (46 vs 40). The average graphics card has 40 compute units.
    What it is: Total number of shader multiprocessors or compute units
    When it matters: When you want a better sense of the GPU's overall parallel hardware resources before relying on game benchmarks alone.

    Importance: HIGH

    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC has more compute units than the average graphics card (46 vs 40). The average graphics card has 40 compute units.46 vs 40
  • 2.36x higher PassMark score
    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC has a higher PassMark score than the average graphics card (26,918 points vs 11,411 points). The average graphics card has a PassMark score of 11,411 points.
  • 21.6% higher texture rate
    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC has a higher texture rate than the average graphics card (458.2 GTexel/s vs 376.8 GTexel/s). The average graphics card has a texture rate of 376.8 GTexel/s.
  • 6 more compute units
    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC has more compute units than the average graphics card (46 vs 40). The average graphics card has 40 compute units.
  • 10.5% faster memory speed
    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC has a higher effective memory speed than the average graphics card (21,000 MHz vs 19,000 MHz). The average graphics card reaches an effective memory speed of 19,000 MHz.
  • 12.5% higher memory bandwidth
    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC has a higher memory bandwidth than the average graphics card (504.2 GB/s vs 448 GB/s). The average graphics card has a memory bandwidth of 448 GB/s.
  • Newer HDMI version
    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC supports a newer HDMI version than the average graphics card (2.1a vs 2.1).
  • 7.7% lower PSU requirement
    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC has a lower PSU requirement than the average graphics card (600 W vs 650 W). The average graphics card has a PSU requirement of 650 W.
  • 59.87 mm shorter card length
    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC is shorter than the average graphics card (225.5 mm vs 285.37 mm). The average graphics card has a length of 285.37 mm.

Total
Overall
Performance
Memory
Connectivity & Media
Power & Cooling
Design
  • 2 fewer ray tracing cores
    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC has fewer ray tracing cores than the average graphics card (46 vs 48). The average graphics card has 48 ray tracing cores.
  • 8 fewer AI cores
    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC has fewer AI cores than the average graphics card (184 vs 192). The average graphics card has 192 AI cores.
  • 0.4% lower boost clock speed
    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC has a lower boost GPU clock than the average graphics card (2,490 MHz vs 2,500 MHz). The average graphics card has a boost GPU clock of 2,500 MHz.
  • 64 bit narrower memory bus
    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC has a narrower memory bus than the average graphics card (192 bit vs 256 bit). The average graphics card has a memory bus width of 256 bit.
  • 25% slower VRAM clock
    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC has a lower VRAM clock than the average graphics card (1,313 MHz vs 1,750 MHz). The average graphics card runs its VRAM at 1,750 MHz.
  • Older Vulkan version
    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC supports an older Vulkan version than the average graphics card (1.3 vs 1.4).
  • 1 fewer fans
    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC has fewer fans than the average graphics card (2 vs 3).
  • 7 °C lower thermal ceiling
    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC has a lower thermal ceiling than the average graphics card (100 °C vs 93 °C). The average graphics card has a thermal ceiling of 93 °C.
  • 3.5 dB noisier under load
    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC has a higher load noise level than the average graphics card (38.5 dB vs 35 dB). The average graphics card has a load noise level of 35 dB.
  • 0.2 slot/s wider design
    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC occupies more slots than the average graphics card (2.2 slot/s vs 2 slot/s). The average graphics card occupies 2 slot/s.
  • 64 bit narrower memory bus
    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC has a narrower memory bus than the average graphics card (192 bit vs 256 bit). The average graphics card has a memory bus width of 256 bit.
    What it is: Width of the memory interface bus in bits
    When it matters: When you care about steadier performance at higher resolutions, heavier texture settings, or ray-traced workloads that stress memory traffic.

    Importance: HIGH

    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC has a narrower memory bus than the average graphics card (192 bit vs 256 bit). The average graphics card has a memory bus width of 256 bit.192 bit vs 256 bit
  • 1 fewer fans
    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC has fewer fans than the average graphics card (2 vs 3).
    What it is: Total number of cooling fans
    When it matters: When you compare cooler designs and want one more clue about thermal potential.

    Importance: MEDIUM

    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC has fewer fans than the average graphics card (2 vs 3).2 vs 3
  • 25% slower VRAM clock
    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC has a lower VRAM clock than the average graphics card (1,313 MHz vs 1,750 MHz). The average graphics card runs its VRAM at 1,750 MHz.
    What it is: Speed at which the GPU memory operates
    When it matters: When you want more context on how quickly the card's VRAM can move data.

    Importance: LOW

    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC has a lower VRAM clock than the average graphics card (1,313 MHz vs 1,750 MHz). The average graphics card runs its VRAM at 1,750 MHz.1313 MHz vs 1750 MHz
  • Older Vulkan version
    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC supports an older Vulkan version than the average graphics card (1.3 vs 1.4).
    What it is: Highest supported Vulkan API version
    When it matters: When modern games, emulators, or creative apps lean on Vulkan support.

    Importance: LOW

    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC supports an older Vulkan version than the average graphics card (1.3 vs 1.4).1.3 vs 1.4
  • 0.2 slot/s wider design
    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC occupies more slots than the average graphics card (2.2 slot/s vs 2 slot/s). The average graphics card occupies 2 slot/s.
    What it is: Number of PCIe slots occupied by the card
    When it matters: When you need room for another PCIe card or better airflow under the GPU.

    Importance: LOW

    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC occupies more slots than the average graphics card (2.2 slot/s vs 2 slot/s). The average graphics card occupies 2 slot/s.2.2 slot/s vs 2 slot/s
  • 2 fewer ray tracing cores
    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC has fewer ray tracing cores than the average graphics card (46 vs 48). The average graphics card has 48 ray tracing cores.
    What it is: Number of dedicated ray tracing processing cores or units
    When it matters: When you care about ray-traced lighting, reflections, and shadows in newer games.

    Importance: HIGH

    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC has fewer ray tracing cores than the average graphics card (46 vs 48). The average graphics card has 48 ray tracing cores.46 vs 48
  • 7 °C lower thermal ceiling
    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC has a lower thermal ceiling than the average graphics card (100 °C vs 93 °C). The average graphics card has a thermal ceiling of 93 °C.
    What it is: Maximum safe junction temperature of the GPU die
    When it matters: When you are evaluating thermal headroom and want to know how close the GPU can run to its official ceiling before throttling behavior becomes a concern.

    Importance: LOW

    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC has a lower thermal ceiling than the average graphics card (100 °C vs 93 °C). The average graphics card has a thermal ceiling of 93 °C.100 °C vs 93 °C
  • 8 fewer AI cores
    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC has fewer AI cores than the average graphics card (184 vs 192). The average graphics card has 192 AI cores.
    What it is: Number of tensor or AI processing cores
    When it matters: When AI features, frame generation, or creator tools use dedicated matrix hardware.

    Importance: MEDIUM

    ZOTAC Gaming GeForce RTX 4070 Twin Edge OC has fewer AI cores than the average graphics card (184 vs 192). The average graphics card has 192 AI cores.184 vs 192
Total
Performance
Memory
Platform & Features
Power & Cooling
Design

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Third-party reviews

United Kingdom
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4.5
110 Reviews
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4.9
12 Reviews
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4.1
9 Reviews
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4.0
5 Reviews
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5.0
3 Reviews
United States
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4.5
115 Reviews
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4.9
12 Reviews
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4.1
9 Reviews
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4.0
5 Reviews
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5.0
3 Reviews

(Reviews last updated: June 2026)

What customers like about ZOTAC Gaming GeForce RTX 4070 Twin Edge OC?

  • Compact 2.2-slot design (225.5mm length) ideal for Small Form Factor (SFF) builds
  • Excellent 1440p gaming performance with DLSS 3 support
  • Highly power efficient, consuming roughly 180W-200W under typical load
  • Solid build quality featuring a protective metal backplate
  • Quiet operation at idle thanks to the FREEZE Fan Stop technology
  • Five-year extended warranty available in select regions upon registration

What customers dislike about ZOTAC Gaming GeForce RTX 4070 Twin Edge OC?

  • Fan noise becomes significantly more noticeable once speeds exceed 60-70%
  • Reported occurrences of moderately audible coil whine under heavy load
  • Cooling performance is average compared to larger triple-fan models, with temps sometimes reaching 80-83°C in warmer environments
  • Limited RGB lighting restricted to a small side logo
  • The 12VHPWR connector placement can make cable removal difficult due to tight spacing near the shroud

Expert reviews

P
popzara.com
01/06/2023
ZOTAC GAMING GeForce RTX 4070 Twin Edge OC Spider-Man: Across the Spider-Verse Graphics Card Review

The ZOTAC GAMING GeForce RTX 4070 Twin Edge OC Spider-Man: Across the Spider-Verse edition is a compact, dual-fan graphics card built on NVIDIA’s Ada Lovelace architecture. It is physically distinguished by its svelte, aerodynamic, and curvaceous design. This model measures a modest 8.9 x 4.9 x 1.6 inches. This prevents GPU sag without requiring a support bracket. The special...Read more

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