OVERALL
SPECS
VS AVERAGE
REVIEWS
ALTERNATIVES

Gainward GeForce RTX 3070 Phantom Review | 118 Data compared

double-arrow
  • Avg. price: ~£790
  • VRAM: 8 GB
  • Memory bus width: 256 bit
  • Thermal Design Power (TDP): 220 W

Gainward GeForce RTX 3070 Phantom review. Compare 118 technical specifications and user reviews to see how it ranks among graphics cards and if it is worth buying.

6.3

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%

6.3

Technical Score

10.0%

5.7

User score

Good
6.3

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%

5.3

Performance

24.0%

5.0

Memory

12.0%

9.0

Power & Cooling

11.0%

9.3

Platform & Features

5.0%

6.7

Design

4.0%

9.0

Connectivity & Media

Good
5.7

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%

7.4

User reviews

30.0%

1.7

Popularity

User score:
United Kingdom
amazon
3.7
(5)

(Reviews last updated: June 2026)

Good
  • 4.4
    Gaming

    Score components:

    45.0%

    4.2

    Floating-point performance

    25.0%

    2.8

    VRAM

    20.0%

    4.7

    Ray tracing cores / units

    10.0%

    8.8

    PCI Express (PCIe) version

  • 5.5
    Video editing

    Score components:

    35.0%

    7.0

    AV1 encode

    30.0%

    2.8

    VRAM

    20.0%

    4.2

    Floating-point performance

    15.0%

    8.8

    PCI Express (PCIe) version

  • 4.4
    1080p

    Score components:

    55.0%

    4.2

    Floating-point performance

    25.0%

    2.8

    VRAM

    10.0%

    4.7

    Ray tracing cores / units

    10.0%

    8.8

    PCI Express (PCIe) version

  • 4.1
    1440p

    Score components:

    50.0%

    4.2

    Floating-point performance

    30.0%

    2.8

    VRAM

    15.0%

    4.7

    Ray tracing cores / units

    5.0%

    8.8

    PCI Express (PCIe) version

  • 4.0
    4K

    Score components:

    40.0%

    4.2

    Floating-point performance

    35.0%

    2.8

    VRAM

    20.0%

    4.7

    Ray tracing cores / units

    5.0%

    8.8

    PCI Express (PCIe) version

  • No image
No image

Best prices in UK

Best rankings

?

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

Verdict

The Gainward GeForce RTX 3070 Phantom is a high-performance graphics card built on NVIDIA's 8nm Ampere architecture, featuring 5,888 CUDA cores, a boost clock of 1,725 MHz, and 8GB of GDDR6 memory on a 256-bit bus with 448 GB/s bandwidth. It is distinguished by its triple-fan Phantom cooler with reinforced blades and a 2.7-slot design that incorporates 'Zero RPM' technology for silent operation under light loads and Addressable RGB (ARGB) for customisable lighting. Key advantages include its excellent 1440p gaming performance, Dual BIOS capability (Performance/Silence modes), and effective thermal management provided by a protective metal backplate and DrMOS high-current stability. However, potential drawbacks include a large physical footprint of 304mm in length that may not fit in smaller cases, reports of noticeable fan noise or whining under extreme stress, and the 8GB VRAM limit which can be restrictive for maxed-out settings in some modern 4K titles.

Technical Specifications of Gainward GeForce RTX 3070 Phantom

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%

5.3

Performance

24.0%

5.0

Memory

12.0%

9.0

Power & Cooling

11.0%

9.3

Platform & Features

5.0%

6.7

Design

4.0%

9.0

Connectivity & Media

6.3
Gainward GeForce RTX 3070 Phantom has a technical score of 6.33 points, which is higher than that of 50.5% 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%

7.4

User reviews

30.0%

1.7

Popularity

User score:
United Kingdom
amazon
3.7
(5)

(Reviews last updated: June 2026)

5.7
Gainward GeForce RTX 3070 Phantom has a user score of 5.69 points, which is lower than that of 98.8% 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.
1.7
Gainward GeForce RTX 3070 Phantom has a popularity of 1.7 points, which is lower than 52.7% 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%

6.3

Overall score

40.0%

6.3

Price

6.3
Gainward GeForce RTX 3070 Phantom has a quality-to-price ratio of 6.3 points, which is lower than 71.7% 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

?
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

8,412 points
Gainward GeForce RTX 3070 Phantom scores 8412 points in 3DMark Port Royal, which is lower than 64.5% of graphics cards and equal to 2.4% of graphics cards.
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

?
PassMark (DirectCompute) result
What it is: PassMark score for DirectCompute performance tests
When it matters: When compute workloads matter alongside gaming performance.

Importance: LOW

?
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

20.31 TFLOPS
Gainward GeForce RTX 3070 Phantom delivers 20.31 TFLOPS floating-point performance, which is lower than that of 58.8% of graphics cards and equal to that of 0.6% of graphics cards.
Show more
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

8 GB
Gainward GeForce RTX 3070 Phantom has 8 GB of VRAM, which is less than 57.6% of graphics cards and equal to 25.1% 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

GDDR6
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

GDDR6
Gainward GeForce RTX 3070 Phantom uses GDDR6 memory, which is newer than on 16.6% of graphics cards and equal to 39.1% of graphics cards.
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

256 bit
Gainward GeForce RTX 3070 Phantom uses a 256 bit memory bus, which is wider than that of 49.5% of graphics cards and equal to that of 36.1% 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

448 GB/s
Gainward GeForce RTX 3070 Phantom reaches 448 GB/s memory bandwidth, which is higher than that of 41% of graphics cards and equal to that of 11.1% of graphics cards.
Show more
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
Gainward GeForce RTX 3070 Phantom 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
Gainward GeForce RTX 3070 Phantom 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

?
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

1.4
Gainward GeForce RTX 3070 Phantom supports Vulkan 1.4, which is more advanced than on 26.6% of graphics cards and equal to 73.4% 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
Gainward GeForce RTX 3070 Phantom supports OpenGL 4.6, which is more advanced than on 4.8% of graphics cards and equal to 95.2% of graphics cards.
Show more
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
Gainward GeForce RTX 3070 Phantom 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

?
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
Gainward GeForce RTX 3070 Phantom 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
Gainward GeForce RTX 3070 Phantom 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

?
Show more
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

220 W
Gainward GeForce RTX 3070 Phantom has a TDP of 220 W, which is higher than that of 50.2% of graphics cards and equal to that of 4.3% 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

250 W
Gainward GeForce RTX 3070 Phantom draws 250 W under peak load, which is higher than 58.1% of graphics cards and equal to 5.3% 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

650 W
Gainward GeForce RTX 3070 Phantom recommends a 650 W PSU, which is lower than that of 41.5% of graphics cards and equal to that of 14.2% 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

250 W
Gainward GeForce RTX 3070 Phantom has a board power limit of 250 W, which is higher than that of 56.2% of graphics cards and equal to that of 4.2% 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

?
Show more
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

?
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

304 mm
Gainward GeForce RTX 3070 Phantom is 304 mm long, which is longer than 62.5% of graphics cards and equal in length to 2.3% 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

136 mm
Gainward GeForce RTX 3070 Phantom is 136 mm tall, which is taller than 68.9% of graphics cards and equal in height to 1.7% 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

2.7 slot/s
Gainward GeForce RTX 3070 Phantom occupies 2.7 slot/s, which is wider than 65.9% of graphics cards and equal in width to 1.6% 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

?
Show more

Gainward GeForce RTX 3070 Phantom vs the average graphics card

  • 32 more ROPs
    Gainward GeForce RTX 3070 Phantom has more ROPs than the average graphics card (96 vs 64). The average graphics card has 64 ROPs.
    What it is: Total number of render output units on the GPU
    When it matters: When you want more context on pixel output capacity, especially for high-resolution play and older raster-heavy engines.

    Importance: HIGH

    Gainward GeForce RTX 3070 Phantom has more ROPs than the average graphics card (96 vs 64). The average graphics card has 64 ROPs.96 vs 64
  • Includes dual BIOS
    Gainward GeForce RTX 3070 Phantom includes dual BIOS, the average graphics card does not.
    What it is: Includes dual BIOS for redundancy or overclocking profiles
    When it matters: When you want a safer recovery path after tweaking fan curves or overclock settings, or you need separate quiet and performance profiles.

    Importance: LOW

    Gainward GeForce RTX 3070 Phantom includes dual BIOS, the average graphics card does not.
  • 6 more compute units
    Gainward GeForce RTX 3070 Phantom 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

    Gainward GeForce RTX 3070 Phantom has more compute units than the average graphics card (46 vs 40). The average graphics card has 40 compute units.46 vs 40
  • Newer shader model
    Gainward GeForce RTX 3070 Phantom supports a newer shader model than the average graphics card (6.9 vs 6.8).
    What it is: Highest supported Shader Model version
    When it matters: When new rendering features require a newer shader feature set.

    Importance: LOW

    Gainward GeForce RTX 3070 Phantom supports a newer shader model than the average graphics card (6.9 vs 6.8).6.9 vs 6.8
  • 32 more ROPs
    Gainward GeForce RTX 3070 Phantom has more ROPs than the average graphics card (96 vs 64). The average graphics card has 64 ROPs.
  • 6 more compute units
    Gainward GeForce RTX 3070 Phantom has more compute units than the average graphics card (46 vs 40). The average graphics card has 40 compute units.
  • Newer shader model
    Gainward GeForce RTX 3070 Phantom supports a newer shader model than the average graphics card (6.9 vs 6.8).
  • Includes dual BIOS
    Gainward GeForce RTX 3070 Phantom includes dual BIOS, the average graphics card does not.

Total
Performance
Platform & Features
Power & Cooling
  • 31% lower boost clock speed
    Gainward GeForce RTX 3070 Phantom has a lower boost GPU clock than the average graphics card (1,725 MHz vs 2,500 MHz). The average graphics card has a boost GPU clock of 2,500 MHz.
  • 21.9% lower base clock speed
    Gainward GeForce RTX 3070 Phantom has a lower base GPU clock than the average graphics card (1,500 MHz vs 1,920 MHz). The average graphics card has a base GPU clock of 1,920 MHz.
  • 15.8% lower texture rate
    Gainward GeForce RTX 3070 Phantom has a lower texture rate than the average graphics card (317.4 GTexel/s vs 376.8 GTexel/s). The average graphics card has a texture rate of 376.8 GTexel/s.
  • 2 fewer ray tracing cores
    Gainward GeForce RTX 3070 Phantom has fewer ray tracing cores than the average graphics card (46 vs 48). The average graphics card has 48 ray tracing cores.
  • 11.2% lower FP32 performance
    Gainward GeForce RTX 3070 Phantom has a lower FP32 performance than the average graphics card (20.3 TFLOPS vs 22.86 TFLOPS). The average graphics card has FP32 performance of 22.86 TFLOPS.
  • 8 fewer AI cores
    Gainward GeForce RTX 3070 Phantom has fewer AI cores than the average graphics card (184 vs 192). The average graphics card has 192 AI cores.
  • 15.4% lower ray tracing score
    Gainward GeForce RTX 3070 Phantom has a lower ray tracing score than the average graphics card (8,412 points vs 9,938.5 points). The average graphics card has a ray tracing score of 9,938.5 points.
  • 65.1% lower INT8 performance
    Gainward GeForce RTX 3070 Phantom has a lower INT8 performance than the average graphics card (162.6 TOPS vs 466 TOPS). The average graphics card has INT8 performance of 466 TOPS.
  • 4 GB less VRAM
    Gainward GeForce RTX 3070 Phantom has fewer VRAM than the average graphics card (8 GB vs 12 GB). The average graphics card has 12 GB VRAM.
  • 26.3% slower memory speed
    Gainward GeForce RTX 3070 Phantom has a lower effective memory speed than the average graphics card (14,000 MHz vs 19,000 MHz). The average graphics card reaches an effective memory speed of 19,000 MHz.
  • 87.5% smaller L2 cache
    Gainward GeForce RTX 3070 Phantom has fewer L2 cache than the average graphics card (4 MB vs 32 MB). The average graphics card has 32 MB L2 cache.
  • 60% larger process node
    Gainward GeForce RTX 3070 Phantom has a higher process node than the average graphics card (8 nm vs 5 nm). The average graphics card uses a process node of 5 nm.
  • 3 older
    Gainward GeForce RTX 3070 Phantom was released earlier than the average graphics card (2,020 vs 2,023).
  • Older encoder generation
    Gainward GeForce RTX 3070 Phantom uses an older encoder generation than the average graphics card (7 vs 8). The average graphics card uses encoder generation 8.
  • 28.8% larger GPU die
    Gainward GeForce RTX 3070 Phantom has a higher GPU die size than the average graphics card (392 mm² vs 304.25 mm²). The average graphics card has a GPU die size of 304.25 mm².
  • No AV1 encoding
    Gainward GeForce RTX 3070 Phantom does not support AV1 encoding, the average graphics card does.
  • 5 °C higher load temperature
    Gainward GeForce RTX 3070 Phantom has a higher load temperature than the average graphics card (72 °C vs 67 °C). The average graphics card has a load temperature of 67 °C.
  • 0.7 slot/s wider design
    Gainward GeForce RTX 3070 Phantom occupies more slots than the average graphics card (2.7 slot/s vs 2 slot/s). The average graphics card occupies 2 slot/s.
  • 9 mm higher card profile
    Gainward GeForce RTX 3070 Phantom is taller than the average graphics card (136 mm vs 127 mm). The average graphics card has a height of 127 mm.
  • 18.63 mm longer card length
    Gainward GeForce RTX 3070 Phantom is longer than the average graphics card (304 mm vs 285.37 mm). The average graphics card has a length of 285.37 mm.
  • 31% lower boost clock speed
    Gainward GeForce RTX 3070 Phantom has a lower boost GPU clock than the average graphics card (1,725 MHz vs 2,500 MHz). The average graphics card has a boost GPU clock of 2,500 MHz.
    What it is: Maximum boost frequency the GPU can reach under load
    When it matters: When you want a rough idea of peak advertised frequency, while knowing real sustained clocks still depend on cooling and power limits.

    Importance: HIGH

    Gainward GeForce RTX 3070 Phantom has a lower boost GPU clock than the average graphics card (1,725 MHz vs 2,500 MHz). The average graphics card has a boost GPU clock of 2,500 MHz.1725 MHz vs 2500 MHz
  • 60% larger process node
    Gainward GeForce RTX 3070 Phantom has a higher process node than the average graphics card (8 nm vs 5 nm). The average graphics card uses a process node of 5 nm.
    What it is: Size of the manufacturing process in nanometers
    When it matters: When process node differences may affect power, heat, and overall efficiency.

    Importance: MEDIUM

    Gainward GeForce RTX 3070 Phantom has a higher process node than the average graphics card (8 nm vs 5 nm). The average graphics card uses a process node of 5 nm.8 nm vs 5 nm
  • 4 GB less VRAM
    Gainward GeForce RTX 3070 Phantom has fewer VRAM than the average graphics card (8 GB vs 12 GB). The average graphics card has 12 GB 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

    Gainward GeForce RTX 3070 Phantom has fewer VRAM than the average graphics card (8 GB vs 12 GB). The average graphics card has 12 GB VRAM.8 GB vs 12 GB
  • 21.9% lower base clock speed
    Gainward GeForce RTX 3070 Phantom has a lower base GPU clock than the average graphics card (1,500 MHz vs 1,920 MHz). The average graphics card has a base GPU clock of 1,920 MHz.
    What it is: Base operating frequency of the GPU core under standard conditions
    When it matters: When you want to understand the card's guaranteed starting frequency instead of looking only at optimistic boost figures.

    Importance: HIGH

    Gainward GeForce RTX 3070 Phantom has a lower base GPU clock than the average graphics card (1,500 MHz vs 1,920 MHz). The average graphics card has a base GPU clock of 1,920 MHz.1500 MHz vs 1920 MHz
  • 26.3% slower memory speed
    Gainward GeForce RTX 3070 Phantom has a lower effective memory speed than the average graphics card (14,000 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

    Gainward GeForce RTX 3070 Phantom has a lower effective memory speed than the average graphics card (14,000 MHz vs 19,000 MHz). The average graphics card reaches an effective memory speed of 19,000 MHz.14000 MHz vs 19000 MHz
  • 0.7 slot/s wider design
    Gainward GeForce RTX 3070 Phantom occupies more slots than the average graphics card (2.7 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

    Gainward GeForce RTX 3070 Phantom occupies more slots than the average graphics card (2.7 slot/s vs 2 slot/s). The average graphics card occupies 2 slot/s.2.7 slot/s vs 2 slot/s
  • No AV1 encoding
    Gainward GeForce RTX 3070 Phantom does not support AV1 encoding, the average graphics card does.
    What it is: Supports hardware encoding of AV1 video codec
    When it matters: When you stream or export video and want efficient AV1 encoding on the GPU.

    Importance: LOW

    Gainward GeForce RTX 3070 Phantom does not support AV1 encoding, the average graphics card does.
  • 87.5% smaller L2 cache
    Gainward GeForce RTX 3070 Phantom has fewer L2 cache than the average graphics card (4 MB vs 32 MB). The average graphics card has 32 MB L2 cache.
    What it is: Total size of the GPU’s L2 cache memory
    When it matters: When cache size can help the GPU feed data faster in demanding scenes.

    Importance: LOW

    Gainward GeForce RTX 3070 Phantom has fewer L2 cache than the average graphics card (4 MB vs 32 MB). The average graphics card has 32 MB L2 cache.4 MB vs 32 MB
Total
Overall
Performance
Memory
Platform & Features
Connectivity & Media
Power & Cooling
Design

Graphic comparison of Gainward GeForce RTX 3070 Phantom and

Attribute category
Attribute
No results found

Third-party reviews

United Kingdom
amazon
3.7
5 Reviews

(Reviews last updated: June 2026)

What customers like about Gainward GeForce RTX 3070 Phantom?

  • Excellent 1440p gaming performance, often matching or exceeding the previous generation's flagship (RTX 2080 Ti)
  • High factory overclock speeds on the 'Golden Sample' (GS) variant
  • Efficient triple-fan cooling system that keeps temperatures stable (around 65°C to 72°C under load)
  • Sleek and aggressive 'Phantom' aesthetic with integrated ARGB lighting synchronization
  • Solid build quality featuring a metal backplate for structural support and heat dissipation
  • Support for DLSS and Ray Tracing which significantly improves frame rates and visual fidelity in supported titles

What customers dislike about Gainward GeForce RTX 3070 Phantom?

  • Notorious fan noise issues, with some users reporting annoying 'grind-whine' sounds when fans kick in
  • Large physical footprint (near 3-slot width) making it difficult to fit in some compact or ITX cases
  • Software settings for RGB lighting often reset upon system reboot unless specifically configured to launch at startup
  • 8GB of VRAM is increasingly seen as a bottleneck for high-refresh 4K gaming in newer AAA titles
  • Cheap feel of the fan blades compared to more premium offerings from competitors like ASUS or MSI

Expert reviews

M
myc-media.de
17. Februar 2021
Gainward – GeForce RTX™ 3070 Phantom Grafikkarte im Test myc-media.de

The Gainward GeForce RTX™ 3070 Phantom is a heavily modified custom graphics card built on NVIDIA's Ampere GA104 architecture, featuring 5,888 CUDA cores and 8GB of Samsung GDDR6 memory. Structurally, it completely departs from the Founders Edition by opting for a non-reference 19cm PCB that stands 2.5cm taller than standard slot brackets, paired with a massive 2.7-slot, triple-fan...Read more

(Translated)Show original

Video reviews

Best alternatives

gigabyte-geforce-rtx-5070-ti-eagle-oc-sff
GIGABYTE GeForce RTX 5070 Ti Eagle OC SFF

Graphics cards

8.6
gigabyte-geforce-rtx-5070-ti-windforce-oc-sff
GIGABYTE GeForce RTX 5070 Ti WINDFORCE OC SFF

Graphics cards

8.5
zotac-gaming-geforce-rtx-5070-ti-solid-sff-oc
ZOTAC Gaming GeForce RTX 5070 Ti Solid SFF OC

Graphics cards

8.5
powercolor-hellhound-radeon-rx-7900-xtx
PowerColor Hellhound Radeon RX 7900 XTX

Graphics cards

8.4
xfx-mercury-radeon-rx-7900-xtx-magnetic-air
XFX Mercury Radeon RX 7900 XTX Magnetic Air

Graphics cards

8.3
gigabyte-geforce-rtx-4070-ti-super-windforce-oc
GIGABYTE GeForce RTX 4070 Ti Super WINDFORCE OC

Graphics cards

8.3
msi-geforce-rtx-5070-ti-mlg-edition-oc
MSI GeForce RTX 5070 Ti Mlg Edition OC

Graphics cards

8.3
pny-geforce-rtx-5070-ti-oc-triple-fan
PNY GeForce RTX 5070 Ti OC Triple Fan

Graphics cards

8.4
No image
Gainward GeForce RTX 4070 Ti Super Phoenix Gs

Graphics cards

8.2
palit-geforce-rtx-5070-ti-gamingpro
Palit GeForce RTX 5070 Ti Gamingpro

Graphics cards

8.2
asus-tuf-gaming-geforce-rtx-4070-ti-super
ASUS TUF Gaming GeForce RTX 4070 Ti Super

Graphics cards

8.2
gigabyte-geforce-rtx-5070-ti-eagle-oc-ice-sff
GIGABYTE GeForce RTX 5070 Ti Eagle OC Ice SFF

Graphics cards

8.3

Compare Gainward GeForce RTX 3070 Phantom with

VS
VS

Compare