ATI Radeon HD 2900 XT vs NVIDIA GeForce GTX 285
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XT and 1024MB VRAM GeForce GTX 285 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Radeon HD 2900 XT 's Advantages
80 additional rendering cores
NVIDIA GeForce GTX 285 's Advantages
Released 1 years and 7 months late
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (159.0GB/s vs 106.0GB/s)
Lower TDP (204W vs 215W)
Score
Benchmark
FP32 (float)
Radeon HD 2900 XT
0.476 TFLOPS
GeForce GTX 285
+48%
0.708 TFLOPS
Graphics Card
May 2007
Release Date
Dec 2008
Radeon R600
Generation
GeForce 200
Desktop
Type
Desktop
PCIe 1.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
828 MHz
Memory Clock
1242 MHz
Memory
512MB
Memory Size
1024MB
GDDR3
Memory Type
GDDR3
512bit
Memory Bus
512bit
106.0GB/s
Bandwidth
159.0GB/s
Render Config
4
Compute Units
-
-
SM Count
30
320
Shading Units
240
16
TMUs
80
16
ROPs
32
-
-
-
-
-
-
-
-
-
256 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
11.89 GPixel/s
Pixel Rate
20.74 GPixel/s
11.89 GTexel/s
Texture Rate
51.84 GTexel/s
-
-
-
475.5 GFLOPS
FP32 (float)
708.5 GFLOPS
-
FP64 (double)
88.56 GFLOPS
Board Design
215W
TDP
204W
550 W
Suggested PSU
550 W
2x DVI
1x S-Video
Outputs
2x DVI
1x S-Video
1x 6-pin + 1x 8-pin
Power Connectors
2x 6-pin
Graphics Processor
R600
GPU Name
GT200B
R600 XT
(215RGMDKA13FG)
GPU Variant
G200-350-B3
TeraScale
Architecture
Tesla 2.0
TSMC
Foundry
TSMC
80 nm
Process Size
55 nm
0.72 billion
Transistors
1.4 billion
420 mm²
Die Size
470 mm²
Graphics Features
10.0 (10_0)
DirectX
11.1 (10_0)
3.3 (full)
4.0 (partial)
OpenGL
3.3
N/A
OpenCL
1.1
N/A
Vulkan
N/A
-
CUDA
1.3
4.0
Shader Model
4.0
