GeForce 8400 GS PCI vs Radeon R9 295X2
We compared two Desktop platform GPUs: 512MB VRAM GeForce 8400 GS PCI and 4GB VRAM Radeon R9 295X2 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 500W)
Radeon R9 295X2 's Advantages
Released 6 years and 4 months late
More VRAM (4GB vs 512GB)
Larger VRAM bandwidth (320.0GB/s vs 5.328GB/s)
2808 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce 8400 GS PCI
22
Radeon R9 295X2
+25959%
5733
Graphics Card
Dec 2007
Release Date
Apr 2014
GeForce 8
Generation
Volcanic Islands
Desktop
Type
Desktop
PCI
Bus Interface
PCIe 3.0 x16
Clock Speeds
333 MHz
Memory Clock
1250 MHz
Memory
512MB
Memory Size
4GB
DDR2
Memory Type
GDDR5
64bit
Memory Bus
512bit
5.328GB/s
Bandwidth
320.0GB/s
Render Config
-
Compute Units
44
1
SM Count
-
8
Shading Units
2816
4
TMUs
176
4
ROPs
64
-
L1 Cache
16 KB (per CU)
16 KB
L2 Cache
1024 KB
Theoretical Performance
2.268 GPixel/s
Pixel Rate
65.15 GPixel/s
2.268 GTexel/s
Texture Rate
179.2 GTexel/s
22.40 GFLOPS
FP32 (float)
5.733 TFLOPS
-
FP64 (double)
716.7 GFLOPS
Board Design
25W
TDP
500W
200 W
Suggested PSU
900 W
1x S-Video
1x DMS-59
Outputs
1x DVI
4x mini-DisplayPort 1.2
None
Power Connectors
2x 8-pin
Graphics Processor
G98
GPU Name
Vesuvius
G98-400-U2
GPU Variant
Vesuvius XT
(215-0852022)
Tesla
Architecture
GCN 2.0
TSMC
Foundry
TSMC
65 nm
Process Size
28 nm
0.21 billion
Transistors
6.2 billion
86 mm²
Die Size
438 mm²
Graphics Features
11.1 (10_0)
DirectX
12 (12_0)
3.3
OpenGL
4.6
1.1
OpenCL
2.0
N/A
Vulkan
1.2
1.1
CUDA
-
4.0
Shader Model
6.3
