RTX A4000 Mobile vs Radeon R6 M255DX
Aggregate performance score
We've compared Radeon R6 M255DX with RTX A4000 Mobile, including specs and performance data.
RTX A4000 Mobile outperforms R6 M255DX by a whopping 2339% 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 | 1036 | 159 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | no data | 23.68 |
| Architecture | GCN 1.0 (2012−2020) | Ampere (2020−2025) |
| GPU code name | Jet | GA104 |
| Market segment | Laptop | Mobile workstation |
| Release date | 7 January 2014 (12 years ago) | 12 April 2021 (4 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 | 320 | 5120 |
| Core clock speed | 780 MHz | 1140 MHz |
| Boost clock speed | 855 MHz | 1680 MHz |
| Number of transistors | 690 million | 17,400 million |
| Manufacturing process technology | 28 nm | 8 nm |
| Power consumption (TDP) | no data | 115 Watt |
| Texture fill rate | 17.10 | 268.8 |
| Floating-point processing power | 0.5472 TFLOPS | 17.2 TFLOPS |
| ROPs | 8 | 80 |
| TMUs | 20 | 160 |
| Tensor Cores | no data | 160 |
| Ray Tracing Cores | no data | 40 |
| L1 Cache | 80 KB | 5 MB |
| L2 Cache | 128 KB | 4 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).
| Laptop size | medium sized | large |
| Interface | IGP | PCIe 4.0 x16 |
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 | System Shared | GDDR6 |
| Maximum RAM amount | System Shared | 8 GB |
| Memory bus width | System Shared | 256 Bit |
| Memory clock speed | System Shared | 1500 MHz |
| Memory bandwidth | no data | 384.0 GB/s |
| 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 | No outputs | Portable Device Dependent |
| Eyefinity | + | - |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| AppAcceleration | + | - |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_1) | 12 Ultimate (12_2) |
| Shader Model | 5.1 | 6.8 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 3.0 |
| Vulkan | 1.2.131 | 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 | 11
−2264%
| 260−270
+2264%
|
FPS performance in popular games
Full HD
Low
| Cyberpunk 2077 | 3−4
−2633%
|
80−85
+2633%
|
| Resident Evil 4 Remake | 1−2
−9300%
|
90−95
+9300%
|
Full HD
Medium
| Battlefield 5 | 2−3
−6200%
|
120−130
+6200%
|
| Cyberpunk 2077 | 3−4
−2633%
|
80−85
+2633%
|
| Far Cry 5 | 3−4
−3733%
|
110−120
+3733%
|
| Fortnite | 5−6
−3040%
|
150−160
+3040%
|
| Forza Horizon 4 | 8−9
−1625%
|
130−140
+1625%
|
| Forza Horizon 5 | 2−3
−5550%
|
110−120
+5550%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 10−11
−1330%
|
140−150
+1330%
|
| Valorant | 35−40
−511%
|
210−220
+511%
|
Full HD
High
| Battlefield 5 | 2−3
−6200%
|
120−130
+6200%
|
| Counter-Strike: Global Offensive | 30−35
−769%
|
270−280
+769%
|
| Cyberpunk 2077 | 3−4
−2633%
|
80−85
+2633%
|
| Dota 2 | 18−20
−683%
|
140−150
+683%
|
| Far Cry 5 | 3−4
−3733%
|
110−120
+3733%
|
| Fortnite | 5−6
−3040%
|
150−160
+3040%
|
| Forza Horizon 4 | 8−9
−1625%
|
130−140
+1625%
|
| Forza Horizon 5 | 2−3
−5550%
|
110−120
+5550%
|
| Grand Theft Auto V | 1−2
−12000%
|
120−130
+12000%
|
| Metro Exodus | 2−3
−4100%
|
80−85
+4100%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 10−11
−1330%
|
140−150
+1330%
|
| The Witcher 3: Wild Hunt | 7−8
−1657%
|
120−130
+1657%
|
| Valorant | 35−40
−511%
|
210−220
+511%
|
Full HD
Ultra
| Battlefield 5 | 2−3
−6200%
|
120−130
+6200%
|
| Cyberpunk 2077 | 3−4
−2633%
|
80−85
+2633%
|
| Dota 2 | 18−20
−683%
|
140−150
+683%
|
| Far Cry 5 | 3−4
−3733%
|
110−120
+3733%
|
| Forza Horizon 4 | 8−9
−1625%
|
130−140
+1625%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 10−11
−1330%
|
140−150
+1330%
|
| The Witcher 3: Wild Hunt | 7−8
−1657%
|
120−130
+1657%
|
| Valorant | 35−40
−511%
|
210−220
+511%
|
Full HD
Epic
| Fortnite | 5−6
−3040%
|
150−160
+3040%
|
1440p
High
| Counter-Strike 2 | 4−5
−2100%
|
85−90
+2100%
|
| Counter-Strike: Global Offensive | 10−11
−2410%
|
250−260
+2410%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 14−16
−1067%
|
170−180
+1067%
|
| Valorant | 6−7
−4017%
|
240−250
+4017%
|
1440p
Ultra
| Cyberpunk 2077 | 1−2
−3900%
|
40−45
+3900%
|
| Far Cry 5 | 2−3
−4200%
|
85−90
+4200%
|
| Forza Horizon 4 | 4−5
−2400%
|
100−105
+2400%
|
| The Witcher 3: Wild Hunt | 3−4
−2067%
|
65−70
+2067%
|
1440p
Epic
| Fortnite | 2−3
−4550%
|
90−95
+4550%
|
4K
High
| Grand Theft Auto V | 14−16
−443%
|
75−80
+443%
|
| Valorant | 7−8
−3029%
|
210−220
+3029%
|
4K
Ultra
| Dota 2 | 2−3
−5150%
|
100−110
+5150%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 2−3
−2200%
|
45−50
+2200%
|
4K
Epic
| Fortnite | 2−3
−2150%
|
45−50
+2150%
|
Full HD
Low
| Counter-Strike 2 | 200−210
+0%
|
200−210
+0%
|
Full HD
Medium
| Counter-Strike 2 | 200−210
+0%
|
200−210
+0%
|
Full HD
High
| Counter-Strike 2 | 200−210
+0%
|
200−210
+0%
|
1440p
High
| Grand Theft Auto V | 70−75
+0%
|
70−75
+0%
|
| Metro Exodus | 50−55
+0%
|
50−55
+0%
|
1440p
Ultra
| Battlefield 5 | 90−95
+0%
|
90−95
+0%
|
4K
High
| Counter-Strike 2 | 40−45
+0%
|
40−45
+0%
|
| Metro Exodus | 30−35
+0%
|
30−35
+0%
|
| The Witcher 3: Wild Hunt | 55−60
+0%
|
55−60
+0%
|
4K
Ultra
| Battlefield 5 | 55−60
+0%
|
55−60
+0%
|
| Counter-Strike 2 | 40−45
+0%
|
40−45
+0%
|
| Cyberpunk 2077 | 18−20
+0%
|
18−20
+0%
|
| Far Cry 5 | 45−50
+0%
|
45−50
+0%
|
| Forza Horizon 4 | 65−70
+0%
|
65−70
+0%
|
This is how R6 M255DX and RTX A4000 Mobile compete in popular games:
- RTX A4000 Mobile is 2264% faster in 1080p
Here's the range of performance differences observed across popular games:
- in Grand Theft Auto V, with 1080p resolution and the High Preset, the RTX A4000 Mobile is 12000% faster.
All in all, in popular games:
- RTX A4000 Mobile performs better in 46 tests (77%)
- there's a draw in 14 tests (23%)
Pros & cons summary
| Performance score | 1.45 | 35.37 |
| Recency | 7 January 2014 | 12 April 2021 |
| Chip lithography | 28 nm | 8 nm |
RTX A4000 Mobile has a 2339% higher aggregate performance score, an age advantage of 7 years, and a 250% more advanced lithography process.
The RTX A4000 Mobile is our recommended choice as it beats the Radeon R6 M255DX in performance tests.
Be aware that Radeon R6 M255DX is a notebook graphics card while RTX A4000 Mobile is a mobile workstation one.
Other comparisons
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
