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ASRock Radeon RX 6600 Challenger D Review | 118 Data compared

Avg. price in UK: ~£210
Avg. price in US: ~$230
VRAM: 8 GB
Memory bus width: 128 bit
Thermal Design Power (TDP): 132 W

ASRock Radeon RX 6600 Challenger D review. Compare 118 technical specifications and user reviews to see how it ranks among graphics cards and if it is worth buying.

5.9

Good

5.5

Good

9.6

Exceptional

5.6
Gaming
Score components:
45.0%
?
Floating-point performance
25.0%
2.8
VRAM
20.0%
2.1
Ray tracing cores / units
10.0%
8.8
PCI Express (PCIe) version
6.2
Video editing
Score components:
35.0%
7.0
AV1 encode
30.0%
2.8
VRAM
20.0%
?
Floating-point performance
15.0%
8.8
PCI Express (PCIe) version
6.2
1080p
Score components:
55.0%
?
Floating-point performance
25.0%
2.8
VRAM
10.0%
2.1
Ray tracing cores / units
10.0%
8.8
PCI Express (PCIe) version
5.6
1440p
Score components:
50.0%
?
Floating-point performance
30.0%
2.8
VRAM
15.0%
2.1
Ray tracing cores / units
5.0%
8.8
PCI Express (PCIe) version
5.0
4K
Score components:
40.0%
?
Floating-point performance
35.0%
2.8
VRAM
20.0%
2.1
Ray tracing cores / units
5.0%
8.8
PCI Express (PCIe) version

Best prices in UK

£?

Best rankings

Verdict

The ASRock Radeon RX 6600 Challenger D 8GB is a mid-range graphics card built on the 7nm RDNA 2 architecture, featuring 1,792 stream processors, 28 Compute Units, and a 128-bit memory interface. It is equipped with 8GB of GDDR6 memory at 14 Gbps and operates with a boost clock of up to 2,491 MHz and a game clock of 2,044 MHz. Main characteristics include a dual-fan cooling system with 0dB silent technology, a stylish metal backplate to prevent PCB bending, and support for PCIe 4.0 x8 and DirectX 12 Ultimate. Key pros are its high energy efficiency with a 132W TDP, strong 1080p gaming performance, and quiet operation under load. However, cons include subpar ray tracing capabilities, a lack of RGB lighting, and a 128-bit bus that may limit performance in higher resolutions or future-proofing.

Technical Specifications of ASRock Radeon RX 6600 Challenger D

Overall score

5.9

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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.

Performance

4.6

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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

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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

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Memory

2.8

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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

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

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

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

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Platform & Features

8.9

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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

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

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

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

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Connectivity & Media

8.9

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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

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

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

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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Power & Cooling

8.7

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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

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

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

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

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

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Design

8.0

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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

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

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

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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ASRock Radeon RX 6600 Challenger D vs the average graphics card

Why is ASRock Radeon RX 6600 Challenger D better than the average graphics card?

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38.6% lower TDP
ASRock Radeon RX 6600 Challenger D has a lower TDP than the average graphics card (132 W vs 215 W). The average graphics card has a TDP of 215 W.
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
ASRock Radeon RX 6600 Challenger D has a lower TDP than the average graphics card (132 W vs 215 W). The average graphics card has a TDP of 215 W.132 W vs 215 W
23.1% lower PSU requirement
ASRock Radeon RX 6600 Challenger D has a lower PSU requirement than the average graphics card (500 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
ASRock Radeon RX 6600 Challenger D has a lower PSU requirement than the average graphics card (500 W vs 650 W). The average graphics card has a PSU requirement of 650 W.500 W vs 650 W
19.8% higher user score
ASRock Radeon RX 6600 Challenger D has a higher user score than the average graphics card (9.58 vs 8.000).
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.
ASRock Radeon RX 6600 Challenger D has a higher user score than the average graphics card (9.58 vs 8.000).9.58 vs 8
40% lower board power limit
ASRock Radeon RX 6600 Challenger D has a lower board power limit than the average graphics card (132 W vs 220 W). The average graphics card has a board power limit of 220 W.
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
ASRock Radeon RX 6600 Challenger D has a lower board power limit than the average graphics card (132 W vs 220 W). The average graphics card has a board power limit of 220 W.132 W vs 220 W
2.52x cheaper
ASRock Radeon RX 6600 Challenger D is cheaper than the average graphics card (£210 vs £530).
ASRock Radeon RX 6600 Challenger D is cheaper than the average graphics card (£210 vs £530).£210 vs £530
Better FP64 ratio
ASRock Radeon RX 6600 Challenger D has a better FP64 ratio than the average graphics card (1:16 vs 1:64).
What it is: Ratio of double-precision (FP64) to single-precision (FP32) performance
When it matters: When you need to know whether FP64 is merely present or genuinely useful.
Importance: LOW
ASRock Radeon RX 6600 Challenger D has a better FP64 ratio than the average graphics card (1:16 vs 1:64).1:16 vs 1:64
12 °C lower load temperature
ASRock Radeon RX 6600 Challenger D has a lower load temperature than the average graphics card (55 °C vs 67 °C). The average graphics card has a load temperature of 67 °C.
What it is: GPU temperature measured while the graphics card is under load.
When it matters: When you care how hot the GPU runs during long gaming or render sessions.
Importance: LOW
ASRock Radeon RX 6600 Challenger D has a lower load temperature than the average graphics card (55 °C vs 67 °C). The average graphics card has a load temperature of 67 °C.55 °C vs 67 °C
72.7% lower idle power draw
ASRock Radeon RX 6600 Challenger D has a lower idle power draw than the average graphics card (3 W vs 11 W). The average graphics card has an idle power draw of 11 W.
What it is: Power consumption of the graphics card while idle.
When it matters: When the PC stays on for long hours and background power draw adds up.
Importance: LOW
ASRock Radeon RX 6600 Challenger D has a lower idle power draw than the average graphics card (3 W vs 11 W). The average graphics card has an idle power draw of 11 W.3 W vs 11 W
Better FP64 ratio
ASRock Radeon RX 6600 Challenger D has a better FP64 ratio than the average graphics card (1:16 vs 1:64).
38.6% lower TDP
ASRock Radeon RX 6600 Challenger D has a lower TDP than the average graphics card (132 W vs 215 W). The average graphics card has a TDP of 215 W.
23.1% lower PSU requirement
ASRock Radeon RX 6600 Challenger D has a lower PSU requirement than the average graphics card (500 W vs 650 W). The average graphics card has a PSU requirement of 650 W.
40% lower board power limit
ASRock Radeon RX 6600 Challenger D has a lower board power limit than the average graphics card (132 W vs 220 W). The average graphics card has a board power limit of 220 W.
12 °C lower load temperature
ASRock Radeon RX 6600 Challenger D has a lower load temperature than the average graphics card (55 °C vs 67 °C). The average graphics card has a load temperature of 67 °C.
72.7% lower idle power draw
ASRock Radeon RX 6600 Challenger D has a lower idle power draw than the average graphics card (3 W vs 11 W). The average graphics card has an idle power draw of 11 W.

Power & Cooling

Why is ASRock Radeon RX 6600 Challenger D worse than the average graphics card?

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20 fewer ray tracing cores
ASRock Radeon RX 6600 Challenger D has fewer ray tracing cores than the average graphics card (28 vs 48). The average graphics card has 48 ray tracing cores.
12 fewer compute units
ASRock Radeon RX 6600 Challenger D has fewer compute units than the average graphics card (28 vs 40). The average graphics card has 40 compute units.
72 fewer TMUs
ASRock Radeon RX 6600 Challenger D has fewer TMUs than the average graphics card (112 vs 184). The average graphics card has 184 TMUs.
60.9% lower FP32 performance
ASRock Radeon RX 6600 Challenger D has a lower FP32 performance than the average graphics card (8.9 TFLOPS vs 22.86 TFLOPS). The average graphics card has FP32 performance of 22.86 TFLOPS.
26% lower texture rate
ASRock Radeon RX 6600 Challenger D has a lower texture rate than the average graphics card (279 GTexel/s vs 376.8 GTexel/s). The average graphics card has a texture rate of 376.8 GTexel/s.
15.3% lower base clock speed
ASRock Radeon RX 6600 Challenger D has a lower base GPU clock than the average graphics card (1,626 MHz vs 1,920 MHz). The average graphics card has a base GPU clock of 1,920 MHz.
2,560 fewer FP32 units
ASRock Radeon RX 6600 Challenger D has fewer FP32 units than the average graphics card (1,792 vs 4,352). The average graphics card has 4,352 FP32 units.
0.4% lower boost clock speed
ASRock Radeon RX 6600 Challenger D has a lower boost GPU clock than the average graphics card (2,491 MHz vs 2,500 MHz). The average graphics card has a boost GPU clock of 2,500 MHz.
128 bit narrower memory bus
ASRock Radeon RX 6600 Challenger D has a narrower memory bus than the average graphics card (128 bit vs 256 bit). The average graphics card has a memory bus width of 256 bit.
50% lower memory bandwidth
ASRock Radeon RX 6600 Challenger D has a lower memory bandwidth than the average graphics card (224 GB/s vs 448 GB/s). The average graphics card has a memory bandwidth of 448 GB/s.
4 GB less VRAM
ASRock Radeon RX 6600 Challenger D 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
ASRock Radeon RX 6600 Challenger D 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.
93.8% smaller L2 cache
ASRock Radeon RX 6600 Challenger D has fewer L2 cache than the average graphics card (2 MB vs 32 MB). The average graphics card has 32 MB L2 cache.
50% less Infinity Cache
ASRock Radeon RX 6600 Challenger D has fewer Infinity Cache than the average graphics card (32 MB vs 64 MB). The average graphics card has 64 MB Infinity Cache.
No DLSS support
ASRock Radeon RX 6600 Challenger D does not support DLSS, the average graphics card does.
Fewer PCIe lanes
ASRock Radeon RX 6600 Challenger D has fewer PCIe lanes than the average graphics card (x8 vs x16). The average graphics card has x16 PCIe lanes.
40% larger process node
ASRock Radeon RX 6600 Challenger D has a higher process node than the average graphics card (7 nm vs 5 nm). The average graphics card uses a process node of 5 nm.
2 older
ASRock Radeon RX 6600 Challenger D was released earlier than the average graphics card (2,021 vs 2,023).
Older OpenCL version
ASRock Radeon RX 6600 Challenger D supports an older OpenCL version than the average graphics card (2.1 vs 3.0).
No AV1 encoding
ASRock Radeon RX 6600 Challenger D does not support AV1 encoding, the average graphics card does.
Older DisplayPort version
ASRock Radeon RX 6600 Challenger D supports an older DisplayPort version than the average graphics card (1.4 vs 1.4a).
33.3% lower HDMI bandwidth
ASRock Radeon RX 6600 Challenger D has a lower HDMI bandwidth than the average graphics card (32 Gbps vs 48 Gbps). The average graphics card has HDMI bandwidth of 48 Gbps.
1 fewer fans
ASRock Radeon RX 6600 Challenger D has fewer fans than the average graphics card (2 vs 3).
17 °C lower thermal ceiling
ASRock Radeon RX 6600 Challenger D has a lower thermal ceiling than the average graphics card (110 °C vs 93 °C). The average graphics card has a thermal ceiling of 93 °C.
No RGB lighting
ASRock Radeon RX 6600 Challenger D does not include RGB lighting, the average graphics card does.
5 mm higher card profile
ASRock Radeon RX 6600 Challenger D is taller than the average graphics card (132 mm vs 127 mm). The average graphics card has a height of 127 mm.
128 bit narrower memory bus
ASRock Radeon RX 6600 Challenger D has a narrower memory bus than the average graphics card (128 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
ASRock Radeon RX 6600 Challenger D has a narrower memory bus than the average graphics card (128 bit vs 256 bit). The average graphics card has a memory bus width of 256 bit.128 bit vs 256 bit
20 fewer ray tracing cores
ASRock Radeon RX 6600 Challenger D has fewer ray tracing cores than the average graphics card (28 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
ASRock Radeon RX 6600 Challenger D has fewer ray tracing cores than the average graphics card (28 vs 48). The average graphics card has 48 ray tracing cores.28 vs 48
1 fewer fans
ASRock Radeon RX 6600 Challenger D 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
ASRock Radeon RX 6600 Challenger D has fewer fans than the average graphics card (2 vs 3).2 vs 3
12 fewer compute units
ASRock Radeon RX 6600 Challenger D has fewer compute units than the average graphics card (28 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
ASRock Radeon RX 6600 Challenger D has fewer compute units than the average graphics card (28 vs 40). The average graphics card has 40 compute units.28 vs 40
50% lower memory bandwidth
ASRock Radeon RX 6600 Challenger D has a lower memory bandwidth than the average graphics card (224 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
ASRock Radeon RX 6600 Challenger D has a lower memory bandwidth than the average graphics card (224 GB/s vs 448 GB/s). The average graphics card has a memory bandwidth of 448 GB/s.224 GB/s vs 448 GB/s
72 fewer TMUs
ASRock Radeon RX 6600 Challenger D has fewer TMUs than the average graphics card (112 vs 184). The average graphics card has 184 TMUs.
What it is: Total count of texture mapping units on the GPU
When it matters: When texture-heavy gaming performance matters and you want extra hardware context behind texture-rate claims.
Importance: HIGH
ASRock Radeon RX 6600 Challenger D has fewer TMUs than the average graphics card (112 vs 184). The average graphics card has 184 TMUs.112 vs 184
No DLSS support
ASRock Radeon RX 6600 Challenger D does not support DLSS, the average graphics card does.
What it is: Supports NVIDIA DLSS upscaling technology
When it matters: When you play NVIDIA-supported games and want better frame rates at higher settings.
Importance: LOW
ASRock Radeon RX 6600 Challenger D does not support DLSS, the average graphics card does.
4 GB less VRAM
ASRock Radeon RX 6600 Challenger D 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
ASRock Radeon RX 6600 Challenger D 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

Platform & Features

Connectivity & Media

Power & Cooling

Graphic comparison of ASRock Radeon RX 6600 Challenger D and

Attribute category

Attribute

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Third-party reviews

United Kingdom

United States

(Reviews last updated: June 2026)

What customers like about ASRock Radeon RX 6600 Challenger D?

Excellent value for money, often cited as one of the best budget 1080p gaming cards available.
Strong 1080p performance, capable of running most modern AAA titles at high or ultra settings above 60 FPS.
Efficient power consumption with a low typical board power of 132W.
Quiet operation and effective cooling, with temperatures typically staying between 55°C and 70°C under load.
Compact dual-slot, dual-fan design that fits easily into most standard computer cases.
Includes a metal backplate, which is often missing on other budget cards at this price point.

What customers dislike about ASRock Radeon RX 6600 Challenger D?

Weak ray tracing performance compared to NVIDIA competitors like the RTX 3060.
Mediocre build quality and a minimalist, 'plastic-heavy' aesthetic that some users find cheap-looking.
Limited to 8GB of VRAM and a 128-bit memory bus, which may impact performance in highly demanding future titles or at higher resolutions.
Performance drops significantly at 1440p resolution, often requiring lower graphics settings to maintain playable frame rates.
Lacks RGB lighting, which may be a drawback for users who prefer a more flashy system build.

Expert reviews

ocinside.de

15/06/2022

ASRock Radeon RX 6600 Challenger D 8G Review

The OCinside.de review highlights the ASRock Radeon RX 6600 Challenger D 8G as an affordable budget graphics card optimized for Full HD (1080p) gaming, with some capacity for WQHD (1440p) gaming. Structurally, it features a dual-slot, dual-fan cooling layout equipped with a stylish metal backplate and "ultra-fit" heatpipes to maximize direct contact with the GPU baseboard. The card...Read more

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