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GPU Comparison
ATI Radeon HD 4890 vs NVIDIA GeForce 9400 GT PCI
ATI Radeon HD 4890 vs NVIDIA GeForce 9400 GT PCI
VS
ATI Radeon HD 4890
NVIDIA GeForce 9400 GT PCI
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 4890 and 256MB VRAM GeForce 9400 GT PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Radeon HD 4890 's Advantages
Released 8 months late
More VRAM (1024GB vs 256GB)
Larger VRAM bandwidth (124.8GB/s vs 12.80GB/s)
784 additional rendering cores
NVIDIA GeForce 9400 GT PCI 's Advantages
Lower TDP (50W vs 190W)
Score
Benchmark
FP32 (float)
Radeon HD 4890
+2922%
1.36 TFLOPS
GeForce 9400 GT PCI
0.045 TFLOPS
Radeon HD 4890
VS
GeForce 9400 GT PCI
Graphics Card
Apr 2009
Release Date
Aug 2008
Radeon R700
Generation
GeForce 9
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCI
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
975 MHz
Memory Clock
400 MHz
Memory
1024MB
Memory Size
256MB
GDDR5
Memory Type
DDR2
256bit
Memory Bus
128bit
124.8GB/s
Bandwidth
12.80GB/s
Render Config
-
SM Count
2
10
Compute Units
-
800
Shading Units
16
40
TMUs
8
16
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
-
256 KB
L2 Cache
32 KB
Theoretical Performance
13.60 GPixel/s
Pixel Rate
2.200 GPixel/s
34.00 GTexel/s
Texture Rate
4.400 GTexel/s
-
FP16 (half)
-
1360 GFLOPS
FP32 (float)
44.80 GFLOPS
272.0 GFLOPS
FP64 (double)
-
Graphics Processor
RV790
GPU Name
G96C
RV790 XT (215-0758016)
GPU Variant
-
TeraScale
Architecture
Tesla
TSMC
Foundry
TSMC
55 nm
Process Size
55 nm
0.959 billion
Transistors
0.314 billion
282 mm²
Die Size
121 mm²
Board Design
190W
TDP
50W
450 W
Suggested PSU
250 W
2x DVI 1x S-Video
Outputs
1x DVI 1x VGA 1x S-Video
2x 6-pin
Power Connectors
None
Graphics Features
10.1 (10_1)
DirectX
11.1 (10_0)
3.3
OpenGL
3.3
1.1
OpenCL
1.1
N/A
Vulkan
N/A
-
CUDA
1.1
4.1
Shader Model
4.0
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