GeForce 8400 GS PCI vs Radeon RX 6800
We compared two Desktop platform GPUs: 512MB VRAM GeForce 8400 GS PCI and 16GB VRAM Radeon RX 6800 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce 8400 GS PCI 's Advantages
Lower TDP (25W vs 250W)
Radeon RX 6800 's Advantages
Released 12 years and 10 months late
Boost Clock2105MHz
More VRAM (16GB vs 512GB)
Larger VRAM bandwidth (512.0GB/s vs 5.328GB/s)
3832 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce 8400 GS PCI
22
Radeon RX 6800
+73400%
16170
Graphics Card
Dec 2007
Release Date
Oct 2020
GeForce 8
Generation
Navi II
Desktop
Type
Desktop
PCI
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
1700 MHz
-
Boost Clock
2105 MHz
333 MHz
Memory Clock
2000 MHz
Memory
512MB
Memory Size
16GB
DDR2
Memory Type
GDDR6
64bit
Memory Bus
256bit
5.328GB/s
Bandwidth
512.0GB/s
Render Config
-
Compute Units
60
1
SM Count
-
8
Shading Units
3840
4
TMUs
240
4
ROPs
96
-
RT Cores
60
-
L1 Cache
128 KB per Array
16 KB
L2 Cache
4 MB
-
L3 Cache
128 MB
Theoretical Performance
2.268 GPixel/s
Pixel Rate
202.1 GPixel/s
2.268 GTexel/s
Texture Rate
505.2 GTexel/s
-
FP16 (half)
32.33 TFLOPS
22.40 GFLOPS
FP32 (float)
16.17 TFLOPS
-
FP64 (double)
1010 GFLOPS
Board Design
25W
TDP
250W
200 W
Suggested PSU
600 W
1x S-Video
1x DMS-59
Outputs
1x HDMI 2.1
2x DisplayPort 1.4a
1x USB Type-C
None
Power Connectors
2x 8-pin
Graphics Processor
G98
GPU Name
Navi 21
G98-400-U2
GPU Variant
Navi 21 XL
(215-121000187)
Tesla
Architecture
RDNA 2.0
TSMC
Foundry
TSMC
65 nm
Process Size
7 nm
0.21 billion
Transistors
26.8 billion
86 mm²
Die Size
520 mm²
Graphics Features
11.1 (10_0)
DirectX
12 Ultimate (12_2)
3.3
OpenGL
4.6
1.1
OpenCL
2.1
N/A
Vulkan
1.3
1.1
CUDA
-
4.0
Shader Model
6.5