Radeon Pro Vega 20 vs GeForce 8400 GS
Aggregate performance score
We've compared GeForce 8400 GS with Radeon Pro Vega 20, including specs and performance data.
Pro 20 outperforms 8400 GS by a whopping 2990% 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 | 1328 | 438 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 0.77 | 9.50 |
| Architecture | Tesla (2006−2010) | GCN 5.0 (2017−2020) |
| GPU code name | G86 | Vega 12 |
| Market segment | Desktop | Mobile workstation |
| Release date | 17 April 2007 (18 years ago) | 14 November 2018 (7 years ago) |
| Launch price (MSRP) | $29.99 | no data |
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 | 1280 |
| Core clock speed | 459 MHz | 815 MHz |
| Boost clock speed | no data | 1283 MHz |
| Number of transistors | 210 million | no data |
| Manufacturing process technology | 80 nm | 14 nm |
| Power consumption (TDP) | 40 Watt | 100 Watt |
| Texture fill rate | 3.672 | 102.6 |
| Floating-point processing power | 0.02938 TFLOPS | 3.284 TFLOPS |
| ROPs | 4 | 32 |
| TMUs | 8 | 80 |
| L1 Cache | no data | 320 KB |
| L2 Cache | 16 KB | 1024 KB |
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 | no data | large |
| Interface | PCIe 1.0 x16 | PCIe 3.0 x16 |
| Length | 170 mm | no data |
| Width | 1-slot | no data |
| Supplementary power connectors | None | 1x 6-pin + 1x 8-pin |
| SLI options | + | - |
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 | HBM2 |
| Maximum RAM amount | 256 MB | 4 GB |
| Standard memory config per GPU | 256 MB | no data |
| Memory bus width | 64 Bit | 1024 Bit |
| Memory clock speed | 400 MHz | 740 MHz |
| Memory bandwidth | 6.4 GB/s | 189.4 GB/s |
| Shared memory | no data | - |
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 | 1x DVI, 1x VGA, 1x S-Video | No outputs |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 11.1 (10_0) | 12 (12_1) |
| Shader Model | 4.0 | 6.3 |
| OpenGL | 2.1 | 4.6 |
| OpenCL | 1.1 | 2.0 |
| Vulkan | N/A | 1.2.131 |
| CUDA | 1.1 | - |
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 | 1−2
−6000%
| 61
+6000%
|
| 4K | 1−2
−4000%
| 41
+4000%
|
Cost per frame, $
| 1080p | 29.99 | no data |
| 4K | 29.99 | no data |
FPS performance in popular games
Full HD
Low
| Counter-Strike 2 | 65−70
+0%
|
65−70
+0%
|
| Cyberpunk 2077 | 24−27
+0%
|
24−27
+0%
|
| Hogwarts Legacy | 21−24
+0%
|
21−24
+0%
|
Full HD
Medium
| Battlefield 5 | 74
+0%
|
74
+0%
|
| Counter-Strike 2 | 65−70
+0%
|
65−70
+0%
|
| Cyberpunk 2077 | 24−27
+0%
|
24−27
+0%
|
| Far Cry 5 | 40
+0%
|
40
+0%
|
| Fortnite | 70−75
+0%
|
70−75
+0%
|
| Forza Horizon 4 | 50−55
+0%
|
50−55
+0%
|
| Forza Horizon 5 | 35−40
+0%
|
35−40
+0%
|
| Hogwarts Legacy | 21−24
+0%
|
21−24
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 45−50
+0%
|
45−50
+0%
|
| Valorant | 110−120
+0%
|
110−120
+0%
|
Full HD
High
| Battlefield 5 | 63
+0%
|
63
+0%
|
| Counter-Strike 2 | 65−70
+0%
|
65−70
+0%
|
| Counter-Strike: Global Offensive | 170−180
+0%
|
170−180
+0%
|
| Cyberpunk 2077 | 24−27
+0%
|
24−27
+0%
|
| Dota 2 | 85
+0%
|
85
+0%
|
| Far Cry 5 | 37
+0%
|
37
+0%
|
| Fortnite | 70−75
+0%
|
70−75
+0%
|
| Forza Horizon 4 | 50−55
+0%
|
50−55
+0%
|
| Forza Horizon 5 | 35−40
+0%
|
35−40
+0%
|
| Grand Theft Auto V | 45−50
+0%
|
45−50
+0%
|
| Hogwarts Legacy | 21−24
+0%
|
21−24
+0%
|
| Metro Exodus | 24−27
+0%
|
24−27
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 45−50
+0%
|
45−50
+0%
|
| The Witcher 3: Wild Hunt | 50
+0%
|
50
+0%
|
| Valorant | 110−120
+0%
|
110−120
+0%
|
Full HD
Ultra
| Battlefield 5 | 60
+0%
|
60
+0%
|
| Cyberpunk 2077 | 24−27
+0%
|
24−27
+0%
|
| Dota 2 | 78
+0%
|
78
+0%
|
| Far Cry 5 | 37
+0%
|
37
+0%
|
| Forza Horizon 4 | 50−55
+0%
|
50−55
+0%
|
| Hogwarts Legacy | 21−24
+0%
|
21−24
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 45−50
+0%
|
45−50
+0%
|
| The Witcher 3: Wild Hunt | 31
+0%
|
31
+0%
|
| Valorant | 110−120
+0%
|
110−120
+0%
|
Full HD
Epic
| Fortnite | 70−75
+0%
|
70−75
+0%
|
1440p
High
| Counter-Strike 2 | 24−27
+0%
|
24−27
+0%
|
| Counter-Strike: Global Offensive | 90−95
+0%
|
90−95
+0%
|
| Grand Theft Auto V | 18−20
+0%
|
18−20
+0%
|
| Metro Exodus | 14−16
+0%
|
14−16
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 100−110
+0%
|
100−110
+0%
|
| Valorant | 130−140
+0%
|
130−140
+0%
|
1440p
Ultra
| Battlefield 5 | 30−35
+0%
|
30−35
+0%
|
| Cyberpunk 2077 | 10−12
+0%
|
10−12
+0%
|
| Far Cry 5 | 27−30
+0%
|
27−30
+0%
|
| Forza Horizon 4 | 30−33
+0%
|
30−33
+0%
|
| Hogwarts Legacy | 14−16
+0%
|
14−16
+0%
|
| The Witcher 3: Wild Hunt | 18−20
+0%
|
18−20
+0%
|
1440p
Epic
| Fortnite | 27−30
+0%
|
27−30
+0%
|
4K
High
| Counter-Strike 2 | 8−9
+0%
|
8−9
+0%
|
| Grand Theft Auto V | 24−27
+0%
|
24−27
+0%
|
| Hogwarts Legacy | 7−8
+0%
|
7−8
+0%
|
| Metro Exodus | 9−10
+0%
|
9−10
+0%
|
| The Witcher 3: Wild Hunt | 16−18
+0%
|
16−18
+0%
|
| Valorant | 65−70
+0%
|
65−70
+0%
|
4K
Ultra
| Battlefield 5 | 16−18
+0%
|
16−18
+0%
|
| Counter-Strike 2 | 8−9
+0%
|
8−9
+0%
|
| Cyberpunk 2077 | 4−5
+0%
|
4−5
+0%
|
| Dota 2 | 41
+0%
|
41
+0%
|
| Far Cry 5 | 12−14
+0%
|
12−14
+0%
|
| Forza Horizon 4 | 21−24
+0%
|
21−24
+0%
|
| Hogwarts Legacy | 7−8
+0%
|
7−8
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 12−14
+0%
|
12−14
+0%
|
4K
Epic
| Fortnite | 12−14
+0%
|
12−14
+0%
|
This is how 8400 GS and Pro Vega 20 compete in popular games:
- Pro Vega 20 is 6000% faster in 1080p
- Pro Vega 20 is 4000% faster in 4K
All in all, in popular games:
- there's a draw in 66 tests (100%)
Pros & cons summary
| Performance score | 0.40 | 12.36 |
| Recency | 17 April 2007 | 14 November 2018 |
| Maximum RAM amount | 256 MB | 4 GB |
| Chip lithography | 80 nm | 14 nm |
| Power consumption (TDP) | 40 Watt | 100 Watt |
8400 GS has 150% lower power consumption.
Pro Vega 20, on the other hand, has a 2990% higher aggregate performance score, an age advantage of 11 years, a 1500% higher maximum VRAM amount, and a 471.4% more advanced lithography process.
The Radeon Pro Vega 20 is our recommended choice as it beats the GeForce 8400 GS in performance tests.
Be aware that GeForce 8400 GS is a desktop graphics card while Radeon Pro Vega 20 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.
