Radeon RX 6600M vs GeForce 8600M GS
Aggregate performance score
We've compared GeForce 8600M GS and Radeon RX 6600M, covering specs and all relevant benchmarks.
RX 6600M outperforms 8600M GS by a whopping 15475% based on our aggregate benchmark results.
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 1387 | 144 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 0.79 | 24.71 |
| Architecture | Tesla (2006−2010) | RDNA 2.0 (2020−2024) |
| GPU code name | G86 | Navi 23 |
| Market segment | Laptop | Laptop |
| Release date | 1 May 2007 (17 years ago) | 31 May 2021 (3 years ago) |
Detailed specifications
General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.
| Pipelines / CUDA cores | 16 | 1792 |
| Core clock speed | 450 MHz | 2068 MHz |
| Boost clock speed | no data | 2416 MHz |
| Number of transistors | 210 million | 11,060 million |
| Manufacturing process technology | 80 nm | 7 nm |
| Power consumption (TDP) | 20 Watt | 100 Watt |
| Texture fill rate | 3.600 | 270.6 |
| Floating-point processing power | 0.0288 TFLOPS | 8.659 TFLOPS |
| ROPs | 4 | 64 |
| TMUs | 8 | 112 |
| Ray Tracing Cores | no data | 28 |
Form factor & compatibility
Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).
| Laptop size | medium sized | medium sized |
| Interface | MXM-II | PCIe 4.0 x8 |
| Supplementary power connectors | no data | None |
VRAM capacity and type
Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.
| Memory type | DDR2 | GDDR6 |
| Maximum RAM amount | 512 MB | 8 GB |
| Memory bus width | 128 Bit | 128 Bit |
| Memory clock speed | 400 MHz | 1750 MHz |
| Memory bandwidth | 12.8 GB/s | 224.0 GB/s |
| Shared memory | - | - |
| Resizable BAR | - | + |
Connectivity and outputs
Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.
| Display Connectors | No outputs | No outputs |
API and SDK compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 11.1 (10_0) | 12 Ultimate (12_2) |
| Shader Model | 4.0 | 6.5 |
| OpenGL | 3.3 | 4.6 |
| OpenCL | 1.1 | 2.1 |
| Vulkan | N/A | 1.3 |
| CUDA | 1.1 | - |
Synthetic benchmark performance
Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.
Combined synthetic benchmark score
This is our combined benchmark score.
Passmark
This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.
Gaming performance
Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.
Average FPS across all PC games
Here are the average frames per second in a large set of popular games across different resolutions:
| Full HD | 0−1 | 100 |
| 1440p | -0−1 | 55 |
| 4K | -0−1 | 30 |
FPS performance in popular games
Full HD
Low Preset
| Atomic Heart | 1−2
−16300%
|
164
+16300%
|
| Cyberpunk 2077 | 1−2
−10600%
|
107
+10600%
|
Full HD
Medium Preset
| Atomic Heart | 1−2
−11300%
|
114
+11300%
|
| Cyberpunk 2077 | 1−2
−8200%
|
83
+8200%
|
| Forza Horizon 4 | 2−3
−10000%
|
202
+10000%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 7−8
−1814%
|
130−140
+1814%
|
| Valorant | 24−27
−720%
|
200−210
+720%
|
Full HD
High Preset
| Atomic Heart | 1−2
−6600%
|
67
+6600%
|
| Counter-Strike: Global Offensive | 12−14
−2208%
|
270−280
+2208%
|
| Cyberpunk 2077 | 1−2
−6800%
|
69
+6800%
|
| Dota 2 | 9−10
−1167%
|
114
+1167%
|
| Forza Horizon 4 | 2−3
−9850%
|
199
+9850%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 7−8
−1814%
|
130−140
+1814%
|
| The Witcher 3: Wild Hunt | 3−4
−4633%
|
142
+4633%
|
| Valorant | 24−27
−720%
|
200−210
+720%
|
Full HD
Ultra Preset
| Cyberpunk 2077 | 1−2
−6000%
|
61
+6000%
|
| Dota 2 | 9−10
−1056%
|
104
+1056%
|
| Forza Horizon 4 | 2−3
−8300%
|
168
+8300%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 7−8
−1814%
|
130−140
+1814%
|
| The Witcher 3: Wild Hunt | 3−4
−2733%
|
85
+2733%
|
| Valorant | 24−27
−476%
|
144
+476%
|
1440p
High Preset
| PLAYERUNKNOWN'S BATTLEGROUNDS | 2−3
−8650%
|
170−180
+8650%
|
1440p
Ultra Preset
| Forza Horizon 4 | 1−2
−12700%
|
128
+12700%
|
| The Witcher 3: Wild Hunt | 0−1 | 62 |
4K
High Preset
| Grand Theft Auto V | 14−16
−287%
|
58
+287%
|
| Valorant | 2−3
−10100%
|
200−210
+10100%
|
4K
Ultra Preset
| Far Cry 5 | 1−2
−4300%
|
44
+4300%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 2−3
−2000%
|
40−45
+2000%
|
4K
Epic Preset
| Fortnite | 2−3
−1950%
|
40−45
+1950%
|
Full HD
Low Preset
| Counter-Strike 2 | 190−200
+0%
|
190−200
+0%
|
Full HD
Medium Preset
| Battlefield 5 | 120−130
+0%
|
120−130
+0%
|
| Counter-Strike 2 | 190−200
+0%
|
190−200
+0%
|
| Far Cry 5 | 116
+0%
|
116
+0%
|
| Fortnite | 150−160
+0%
|
150−160
+0%
|
| Forza Horizon 5 | 121
+0%
|
121
+0%
|
Full HD
High Preset
| Battlefield 5 | 120−130
+0%
|
120−130
+0%
|
| Counter-Strike 2 | 190−200
+0%
|
190−200
+0%
|
| Far Cry 5 | 108
+0%
|
108
+0%
|
| Fortnite | 150−160
+0%
|
150−160
+0%
|
| Forza Horizon 5 | 114
+0%
|
114
+0%
|
| Grand Theft Auto V | 116
+0%
|
116
+0%
|
| Metro Exodus | 80
+0%
|
80
+0%
|
Full HD
Ultra Preset
| Battlefield 5 | 120−130
+0%
|
120−130
+0%
|
| Far Cry 5 | 101
+0%
|
101
+0%
|
Full HD
Epic Preset
| Fortnite | 150−160
+0%
|
150−160
+0%
|
1440p
High Preset
| Counter-Strike 2 | 80−85
+0%
|
80−85
+0%
|
| Counter-Strike: Global Offensive | 230−240
+0%
|
230−240
+0%
|
| Grand Theft Auto V | 61
+0%
|
61
+0%
|
| Metro Exodus | 47
+0%
|
47
+0%
|
| Valorant | 240−250
+0%
|
240−250
+0%
|
1440p
Ultra Preset
| Battlefield 5 | 85−90
+0%
|
85−90
+0%
|
| Cyberpunk 2077 | 39
+0%
|
39
+0%
|
| Far Cry 5 | 90
+0%
|
90
+0%
|
1440p
Epic Preset
| Fortnite | 85−90
+0%
|
85−90
+0%
|
4K
High Preset
| Atomic Heart | 27−30
+0%
|
27−30
+0%
|
| Counter-Strike 2 | 35−40
+0%
|
35−40
+0%
|
| Metro Exodus | 28
+0%
|
28
+0%
|
| The Witcher 3: Wild Hunt | 44
+0%
|
44
+0%
|
4K
Ultra Preset
| Battlefield 5 | 50−55
+0%
|
50−55
+0%
|
| Counter-Strike 2 | 35−40
+0%
|
35−40
+0%
|
| Cyberpunk 2077 | 19
+0%
|
19
+0%
|
| Dota 2 | 80
+0%
|
80
+0%
|
| Forza Horizon 4 | 74
+0%
|
74
+0%
|
Here's the range of performance differences observed across popular games:
- in Atomic Heart, with 1080p resolution and the Low Preset, the RX 6600M is 16300% faster.
All in all, in popular games:
- RX 6600M is ahead in 28 tests (45%)
- there's a draw in 34 tests (55%)
Pros & cons summary
| Performance score | 0.20 | 31.15 |
| Recency | 1 May 2007 | 31 May 2021 |
| Maximum RAM amount | 512 MB | 8 GB |
| Chip lithography | 80 nm | 7 nm |
| Power consumption (TDP) | 20 Watt | 100 Watt |
8600M GS has 400% lower power consumption.
RX 6600M, on the other hand, has a 15475% higher aggregate performance score, an age advantage of 14 years, a 1500% higher maximum VRAM amount, and a 1042.9% more advanced lithography process.
The Radeon RX 6600M is our recommended choice as it beats the GeForce 8600M GS in performance tests.
Other comparisons
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