GeForce 8400 GS PCI vs Radeon VII
We compared two Desktop platform GPUs: 512MB VRAM GeForce 8400 GS PCI and 16GB VRAM Radeon VII 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 295W)
Radeon VII 's Advantages
Released 11 years and 2 months late
Boost Clock1750MHz
More VRAM (16GB vs 512GB)
Larger VRAM bandwidth (1020GB/s vs 5.328GB/s)
3832 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce 8400 GS PCI
22
Radeon VII
+60990%
13440
Graphics Card
Dec 2007
Release Date
Feb 2019
GeForce 8
Generation
Vega II
Desktop
Type
Desktop
PCI
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
1400 MHz
-
Boost Clock
1750 MHz
333 MHz
Memory Clock
1000 MHz
Memory
512MB
Memory Size
16GB
DDR2
Memory Type
HBM2
64bit
Memory Bus
4096bit
5.328GB/s
Bandwidth
1020GB/s
Render Config
-
Compute Units
60
1
SM Count
-
8
Shading Units
3840
4
TMUs
240
4
ROPs
64
-
L1 Cache
16 KB (per CU)
16 KB
L2 Cache
4 MB
Theoretical Performance
2.268 GPixel/s
Pixel Rate
112.0 GPixel/s
2.268 GTexel/s
Texture Rate
420.0 GTexel/s
-
FP16 (half)
26.88 TFLOPS
22.40 GFLOPS
FP32 (float)
13.44 TFLOPS
-
FP64 (double)
3.360 TFLOPS
Board Design
25W
TDP
295W
200 W
Suggested PSU
600 W
1x S-Video
1x DMS-59
Outputs
1x HDMI 2.0b
3x DisplayPort 1.4a
None
Power Connectors
2x 8-pin
Graphics Processor
G98
GPU Name
Vega 20
G98-400-U2
GPU Variant
Vega 20 XT
Tesla
Architecture
GCN 5.1
TSMC
Foundry
TSMC
65 nm
Process Size
7 nm
0.21 billion
Transistors
13.23 billion
86 mm²
Die Size
331 mm²
Graphics Features
11.1 (10_0)
DirectX
12 (12_1)
3.3
OpenGL
4.6
1.1
OpenCL
2.1
N/A
Vulkan
1.3
1.1
CUDA
-
4.0
Shader Model
6.7
