NVIDIA GeForce GTX 490 vs AMD Radeon HD 6970 X2
We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 and 2GB VRAM Radeon HD 6970 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 490 's Advantages
Lower TDP (365W vs 375W)
AMD Radeon HD 6970 X2 's Advantages
More VRAM (2GB vs 1536GB)
Larger VRAM bandwidth (176.0GB/s vs 164.0GB/s)
1056 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTX 490
1.166 TFLOPS
Radeon HD 6970 X2
+131%
2.703 TFLOPS
Graphics Card
Unknown
Release Date
Unknown
GeForce 400
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
854 MHz
Memory Clock
1375 MHz
Memory
1536MB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
256bit
164.0GB/s
Bandwidth
176.0GB/s
Render Config
-
Compute Units
24
15
SM Count
-
480
Shading Units
1536
60
TMUs
96
48
ROPs
32
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
8 KB (per CU)
768 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
18.24 GPixel/s
Pixel Rate
28.16 GPixel/s
36.48 GTexel/s
Texture Rate
84.48 GTexel/s
-
-
-
1166 GFLOPS
FP32 (float)
2.703 TFLOPS
145.8 GFLOPS
FP64 (double)
-
Board Design
365W
TDP
375W
750 W
Suggested PSU
750 W
3x DVI
1x mini-DisplayPort
Outputs
2x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
2x 8-pin
Power Connectors
3x 8-pin
Graphics Processor
GF100
GPU Name
Antilles
GF100-375-A3
GPU Variant
Antilles XT
(215-0807027)
Fermi
Architecture
TeraScale 3
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
3.1 billion
Transistors
2.64 billion
529 mm²
Die Size
389 mm²
Graphics Features
12 (11_0)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
1.1
OpenCL
1.2
N/A
Vulkan
N/A
2.0
CUDA
-
5.1
Shader Model
5.0
