NVIDIA GeForce GTX 490 vs ATI Radeon X1950 XTX Uber Edition
We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 and 512MB VRAM Radeon X1950 XTX Uber Edition 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 512GB)
Larger VRAM bandwidth (164.0GB/s vs 67.20GB/s)
480 additional rendering cores
ATI Radeon X1950 XTX Uber Edition 's Advantages
Lower TDP (125W vs 365W)
Score
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
-
-
-
-
-
-
854 MHz
Memory Clock
1050 MHz
Memory
1536MB
Memory Size
512MB
GDDR5
Memory Type
GDDR4
384bit
Memory Bus
256bit
164.0GB/s
Bandwidth
67.20GB/s
Render Config
-
-
-
15
SM Count
-
480
Shading Units
-
60
TMUs
16
48
ROPs
16
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
-
768 KB
L2 Cache
-
-
-
-
Theoretical Performance
18.24 GPixel/s
Pixel Rate
10.72 GPixel/s
36.48 GTexel/s
Texture Rate
10.72 GTexel/s
-
-
-
1166 GFLOPS
FP32 (float)
-
145.8 GFLOPS
FP64 (double)
-
Board Design
365W
TDP
125W
750 W
Suggested PSU
300 W
3x DVI
1x mini-DisplayPort
Outputs
1x DVI
1x VHDCI
2x 8-pin
Power Connectors
1x 6-pin
Graphics Processor
GF100
GPU Name
R580+
GF100-375-A3
GPU Variant
R580+ XT
(215BAABKA31FG)
Fermi
Architecture
R500
TSMC
Foundry
TSMC
40 nm
Process Size
90 nm
3.1 billion
Transistors
0.384 billion
529 mm²
Die Size
352 mm²
Graphics Features
12 (11_0)
DirectX
9.0c (9_3)
4.6
OpenGL
2.1 (full)
3.0 (partial)
1.1
OpenCL
N/A
N/A
Vulkan
N/A
2.0
CUDA
-
5.1
Shader Model
3.0
