Home GPU Comparison NVIDIA GeForce 9400 GT vs ATI Radeon HD 4870 X2

NVIDIA GeForce 9400 GT vs ATI Radeon HD 4870 X2

We compared two Desktop platform GPUs: 128MB VRAM GeForce 9400 GT and 1024MB VRAM Radeon HD 4870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 9400 GT 's Advantages
Lower TDP (50W vs 286W)
ATI Radeon HD 4870 X2 's Advantages
More VRAM (1024GB vs 128GB)
Larger VRAM bandwidth (115.2GB/s vs 9.600GB/s)
784 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce 9400 GT
0.029 TFLOPS
Radeon HD 4870 X2 +4037%
1.2 TFLOPS
VS

Graphics Card

Aug 2008
Release Date
Aug 2008
GeForce 9
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
600 MHz
Memory Clock
900 MHz

Memory

128MB
Memory Size
1024MB
DDR2
Memory Type
GDDR5
64bit
Memory Bus
256bit
9.600GB/s
Bandwidth
115.2GB/s

Render Config

-
Compute Units
10
2
SM Count
-
16
Shading Units
800
8
TMUs
40
4
ROPs
16
-
-
-
-
-
-
-
L1 Cache
16 KB (per CU)
16 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

1.836 GPixel/s
Pixel Rate
12.00 GPixel/s
3.672 GTexel/s
Texture Rate
30.00 GTexel/s
-
-
-
29.38 GFLOPS
FP32 (float)
1200 GFLOPS
-
FP64 (double)
240.0 GFLOPS

Board Design

50W
TDP
286W
250 W
Suggested PSU
600 W
1x DVI 1x VGA 1x S-Video
Outputs
2x DVI 1x S-Video
None
Power Connectors
1x 6-pin + 1x 8-pin

Graphics Processor

G86
GPU Name
R700
-
GPU Variant
R700 XT (215-0669045)
Tesla
Architecture
TeraScale
TSMC
Foundry
TSMC
80 nm
Process Size
55 nm
0.21 billion
Transistors
0.956 billion
127 mm²
Die Size
256 mm²

Graphics Features

11.1 (10_0)
DirectX
10.1 (10_1)
3.3
OpenGL
3.3
1.1
OpenCL
1.1
N/A
Vulkan
N/A
1.1
CUDA
-
4.0
Shader Model
4.1

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