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GPU Comparison
NVIDIA GeForce GTX 490 vs ATI Radeon X1550 PCI
NVIDIA GeForce GTX 490 vs ATI Radeon X1550 PCI
VS
NVIDIA GeForce GTX 490
ATI Radeon X1550 PCI
We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 and 256MB VRAM Radeon X1550 PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 490 's Advantages
More VRAM (1536GB vs 256GB)
Larger VRAM bandwidth (164.0GB/s vs 4.256GB/s)
480 additional rendering cores
ATI Radeon X1550 PCI 's Advantages
Lower TDP (27W vs 365W)
Score
GeForce GTX 490
VS
Radeon X1550 PCI
Graphics Card
Unknown
Release Date
Jan 2007
GeForce 400
Generation
Radeon R500 PCIe
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 1.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
854 MHz
Memory Clock
266 MHz
Memory
1536MB
Memory Size
256MB
GDDR5
Memory Type
DDR2
384bit
Memory Bus
64bit
164.0GB/s
Bandwidth
4.256GB/s
Render Config
15
SM Count
-
-
Compute Units
-
480
Shading Units
-
60
TMUs
4
48
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
64 KB (per SM)
L1 Cache
-
768 KB
L2 Cache
-
Theoretical Performance
18.24 GPixel/s
Pixel Rate
1.808 GPixel/s
36.48 GTexel/s
Texture Rate
1.808 GTexel/s
-
FP16 (half)
-
1166 GFLOPS
FP32 (float)
-
145.8 GFLOPS
FP64 (double)
-
Graphics Processor
GF100
GPU Name
RV516
GF100-375-A3
GPU Variant
-
Fermi
Architecture
R500
TSMC
Foundry
UMC
40 nm
Process Size
80 nm
3.1 billion
Transistors
0.107 billion
529 mm²
Die Size
100 mm²
Board Design
365W
TDP
27W
750 W
Suggested PSU
200 W
3x DVI 1x mini-DisplayPort
Outputs
1x DVI 1x VGA 1x S-Video
2x 8-pin
Power Connectors
None
Graphics Features
12 (11_0)
DirectX
9.0c (9_3)
4.6
OpenGL
2.1
1.1
OpenCL
N/A
N/A
Vulkan
N/A
2.0
CUDA
-
5.1
Shader Model
3.0
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