NVIDIA GeForce GTX 470 X2 vs ATI Radeon HD 2900 XT
We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 470 X2 and 512MB VRAM Radeon HD 2900 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 470 X2 's Advantages
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (107.1GB/s vs 106.0GB/s)
32 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTX 470 X2
+79%
0.855 TFLOPS
Radeon HD 2900 XT
0.476 TFLOPS
Graphics Card
Unknown
Release Date
May 2007
GeForce 400
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 1.0 x16
Clock Speeds
-
-
-
-
-
-
837 MHz
Memory Clock
828 MHz
Memory
1024MB
Memory Size
512MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
512bit
107.1GB/s
Bandwidth
106.0GB/s
Render Config
-
Compute Units
4
11
SM Count
-
352
Shading Units
320
44
TMUs
16
32
ROPs
16
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
-
512 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
13.38 GPixel/s
Pixel Rate
11.89 GPixel/s
26.75 GTexel/s
Texture Rate
11.89 GTexel/s
-
-
-
855.4 GFLOPS
FP32 (float)
475.5 GFLOPS
-
-
-
Board Design
215W
TDP
215W
550 W
Suggested PSU
550 W
3x DVI
Outputs
2x DVI
1x S-Video
2x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
GF100
GPU Name
R600
GF100-030-A3
GPU Variant
R600 XT
(215RGMDKA13FG)
Fermi
Architecture
TeraScale
TSMC
Foundry
TSMC
40 nm
Process Size
80 nm
3.1 billion
Transistors
0.72 billion
529 mm²
Die Size
420 mm²
Graphics Features
12 (11_0)
DirectX
10.0 (10_0)
4.6
OpenGL
3.3 (full)
4.0 (partial)
1.1
OpenCL
N/A
N/A
Vulkan
N/A
2.0
CUDA
-
5.1
Shader Model
4.0
