ATI Radeon HD 2900 XT vs NVIDIA GeForce GTX 460 v2
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XT and 1024MB VRAM GeForce GTX 460 v2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Radeon HD 2900 XT 's Advantages
Larger VRAM bandwidth (106.0GB/s vs 96.19GB/s)
NVIDIA GeForce GTX 460 v2 's Advantages
Released 4 years and 4 months late
More VRAM (1024GB vs 512GB)
16 additional rendering cores
Lower TDP (160W vs 215W)
Score
Benchmark
FP32 (float)
Radeon HD 2900 XT
0.476 TFLOPS
GeForce GTX 460 v2
+119%
1.046 TFLOPS
Graphics Card
May 2007
Release Date
Sep 2011
Radeon R600
Generation
GeForce 400
Desktop
Type
Desktop
PCIe 1.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
828 MHz
Memory Clock
1002 MHz
Memory
512MB
Memory Size
1024MB
GDDR3
Memory Type
GDDR5
512bit
Memory Bus
192bit
106.0GB/s
Bandwidth
96.19GB/s
Render Config
4
Compute Units
-
-
SM Count
7
320
Shading Units
336
16
TMUs
56
16
ROPs
24
-
-
-
-
-
-
-
L1 Cache
64 KB (per SM)
256 KB
L2 Cache
384 KB
-
-
-
Theoretical Performance
11.89 GPixel/s
Pixel Rate
10.91 GPixel/s
11.89 GTexel/s
Texture Rate
43.62 GTexel/s
-
-
-
475.5 GFLOPS
FP32 (float)
1046 GFLOPS
-
FP64 (double)
87.19 GFLOPS
Board Design
215W
TDP
160W
550 W
Suggested PSU
450 W
2x DVI
1x S-Video
Outputs
2x DVI
1x mini-HDMI 1.3a
1x 6-pin + 1x 8-pin
Power Connectors
2x 6-pin
Graphics Processor
R600
GPU Name
GF114
R600 XT
(215RGMDKA13FG)
GPU Variant
GF114-400-A1
TeraScale
Architecture
Fermi 2.0
TSMC
Foundry
TSMC
80 nm
Process Size
40 nm
0.72 billion
Transistors
1.95 billion
420 mm²
Die Size
332 mm²
Graphics Features
10.0 (10_0)
DirectX
12 (11_0)
3.3 (full)
4.0 (partial)
OpenGL
4.6
N/A
OpenCL
1.1
N/A
Vulkan
N/A
-
CUDA
2.1
4.0
Shader Model
5.1
