Radeon 660M vs RTX A4000
Aggregate performance score
We've compared RTX A4000 with Radeon 660M, including specs and performance data.
RTX A4000 outperforms 660M by a whopping 481% based on our aggregate benchmark results.
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 88 | 556 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 25.47 | 15.34 |
| Architecture | Ampere (2020−2025) | RDNA 2.0 (2020−2025) |
| GPU code name | GA104 | Rembrandt+ |
| Market segment | Workstation | Laptop |
| Release date | 12 April 2021 (4 years ago) | 3 January 2023 (2 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 | 6144 | 384 |
| Core clock speed | 735 MHz | 1500 MHz |
| Boost clock speed | 1560 MHz | 1900 MHz |
| Number of transistors | 17,400 million | 13,100 million |
| Manufacturing process technology | 8 nm | 6 nm |
| Power consumption (TDP) | 140 Watt | 40 Watt |
| Texture fill rate | 299.5 | 45.60 |
| Floating-point processing power | 19.17 TFLOPS | 1.459 TFLOPS |
| ROPs | 96 | 16 |
| TMUs | 192 | 24 |
| Tensor Cores | 192 | no data |
| Ray Tracing Cores | 48 | 6 |
| L0 Cache | no data | 96 KB |
| L1 Cache | 6 MB | 128 KB |
| L2 Cache | 4 MB | 2 MB |
| L3 Cache | no data | 8 MB |
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).
| Interface | PCIe 4.0 x16 | PCIe 4.0 x8 |
| Length | 241 mm | no data |
| Width | 1-slot | no data |
| Supplementary power connectors | 1x 6-pin | 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 | GDDR6 | System Shared |
| Maximum RAM amount | 16 GB | System Shared |
| Memory bus width | 256 Bit | System Shared |
| Memory clock speed | 1750 MHz | System Shared |
| Memory bandwidth | 448.0 GB/s | no data |
| Shared memory | - | + |
| Resizable BAR | + | - |
Connectivity and outputs
This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.
| Display Connectors | 4x DisplayPort 1.4a | Portable Device Dependent |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 Ultimate (12_2) | 12 Ultimate (12_2) |
| Shader Model | 6.7 | 6.7 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 2.0 |
| Vulkan | 1.3 | 1.3 |
| CUDA | 8.6 | - |
| DLSS | + | - |
Synthetic benchmarks
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 | 140−150
+460%
| 25
−460%
|
FPS performance in popular games
Full HD
Low
| Counter-Strike 2 | 40−45
+0%
|
40−45
+0%
|
| Cyberpunk 2077 | 24
+0%
|
24
+0%
|
| Hogwarts Legacy | 23
+0%
|
23
+0%
|
Full HD
Medium
| Battlefield 5 | 35−40
+0%
|
35−40
+0%
|
| Counter-Strike 2 | 40−45
+0%
|
40−45
+0%
|
| Cyberpunk 2077 | 20
+0%
|
20
+0%
|
| Far Cry 5 | 30
+0%
|
30
+0%
|
| Fortnite | 45−50
+0%
|
45−50
+0%
|
| Forza Horizon 4 | 35−40
+0%
|
35−40
+0%
|
| Forza Horizon 5 | 39
+0%
|
39
+0%
|
| Hogwarts Legacy | 17
+0%
|
17
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 27−30
+0%
|
27−30
+0%
|
| Valorant | 80−85
+0%
|
80−85
+0%
|
Full HD
High
| Battlefield 5 | 35−40
+0%
|
35−40
+0%
|
| Counter-Strike 2 | 40−45
+0%
|
40−45
+0%
|
| Counter-Strike: Global Offensive | 120−130
+0%
|
120−130
+0%
|
| Cyberpunk 2077 | 14
+0%
|
14
+0%
|
| Dota 2 | 56
+0%
|
56
+0%
|
| Far Cry 5 | 26
+0%
|
26
+0%
|
| Fortnite | 45−50
+0%
|
45−50
+0%
|
| Forza Horizon 4 | 35−40
+0%
|
35−40
+0%
|
| Forza Horizon 5 | 32
+0%
|
32
+0%
|
| Grand Theft Auto V | 25
+0%
|
25
+0%
|
| Hogwarts Legacy | 13
+0%
|
13
+0%
|
| Metro Exodus | 15
+0%
|
15
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 27−30
+0%
|
27−30
+0%
|
| The Witcher 3: Wild Hunt | 26
+0%
|
26
+0%
|
| Valorant | 80−85
+0%
|
80−85
+0%
|
Full HD
Ultra
| Battlefield 5 | 35−40
+0%
|
35−40
+0%
|
| Cyberpunk 2077 | 16−18
+0%
|
16−18
+0%
|
| Dota 2 | 48
+0%
|
48
+0%
|
| Far Cry 5 | 25
+0%
|
25
+0%
|
| Forza Horizon 4 | 35−40
+0%
|
35−40
+0%
|
| Hogwarts Legacy | 10
+0%
|
10
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 27−30
+0%
|
27−30
+0%
|
| The Witcher 3: Wild Hunt | 15
+0%
|
15
+0%
|
| Valorant | 80−85
+0%
|
80−85
+0%
|
Full HD
Epic
| Fortnite | 45−50
+0%
|
45−50
+0%
|
1440p
High
| Counter-Strike 2 | 14−16
+0%
|
14−16
+0%
|
| Counter-Strike: Global Offensive | 60−65
+0%
|
60−65
+0%
|
| Grand Theft Auto V | 10−11
+0%
|
10−11
+0%
|
| Metro Exodus | 8−9
+0%
|
8−9
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 40−45
+0%
|
40−45
+0%
|
| Valorant | 90−95
+0%
|
90−95
+0%
|
1440p
Ultra
| Battlefield 5 | 18−20
+0%
|
18−20
+0%
|
| Cyberpunk 2077 | 6−7
+0%
|
6−7
+0%
|
| Far Cry 5 | 16−18
+0%
|
16−18
+0%
|
| Forza Horizon 4 | 18−20
+0%
|
18−20
+0%
|
| Hogwarts Legacy | 9−10
+0%
|
9−10
+0%
|
| The Witcher 3: Wild Hunt | 10−12
+0%
|
10−12
+0%
|
1440p
Epic
| Fortnite | 16−18
+0%
|
16−18
+0%
|
4K
High
| Counter-Strike 2 | 2−3
+0%
|
2−3
+0%
|
| Grand Theft Auto V | 18−20
+0%
|
18−20
+0%
|
| Hogwarts Legacy | 3−4
+0%
|
3−4
+0%
|
| Metro Exodus | 3−4
+0%
|
3−4
+0%
|
| The Witcher 3: Wild Hunt | 8−9
+0%
|
8−9
+0%
|
| Valorant | 40−45
+0%
|
40−45
+0%
|
4K
Ultra
| Battlefield 5 | 9−10
+0%
|
9−10
+0%
|
| Counter-Strike 2 | 2−3
+0%
|
2−3
+0%
|
| Cyberpunk 2077 | 2−3
+0%
|
2−3
+0%
|
| Dota 2 | 30−33
+0%
|
30−33
+0%
|
| Far Cry 5 | 8−9
+0%
|
8−9
+0%
|
| Forza Horizon 4 | 12−14
+0%
|
12−14
+0%
|
| Hogwarts Legacy | 3−4
+0%
|
3−4
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 8−9
+0%
|
8−9
+0%
|
4K
Epic
| Fortnite | 8−9
+0%
|
8−9
+0%
|
This is how RTX A4000 and Radeon 660M compete in popular games:
- RTX A4000 is 460% faster in 1080p
All in all, in popular games:
- there's a draw in 66 tests (100%)
Pros & cons summary
| Performance score | 46.50 | 8.00 |
| Recency | 12 April 2021 | 3 January 2023 |
| Chip lithography | 8 nm | 6 nm |
| Power consumption (TDP) | 140 Watt | 40 Watt |
RTX A4000 has a 481.3% higher aggregate performance score.
Radeon 660M, on the other hand, has an age advantage of 1 year, a 33.3% more advanced lithography process, and 250% lower power consumption.
The RTX A4000 is our recommended choice as it beats the Radeon 660M in performance tests.
Be aware that RTX A4000 is a workstation graphics card while Radeon 660M is a notebook one.
Other comparisons
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
