Home GPU Comparison NVIDIA GeForce GTX 285 vs ATI Radeon HD 2900 XT

NVIDIA GeForce GTX 285 vs ATI Radeon HD 2900 XT

NVIDIA GeForce GTX 285
VS
ATI Radeon HD 2900 XT
NVIDIA GeForce GTX 285
ATI Radeon HD 2900 XT
We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 285 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 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)
ATI Radeon HD 2900 XT 's Advantages
80 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce GTX 285 +48%
0.708 TFLOPS
Radeon HD 2900 XT
0.476 TFLOPS
VS

Graphics Card

Dec 2008
Release Date
May 2007
GeForce 200
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 1.0 x16

Clock Speeds

-
-
-
-
-
-
1242 MHz
Memory Clock
828 MHz

Memory

1024MB
Memory Size
512MB
GDDR3
Memory Type
GDDR3
512bit
Memory Bus
512bit
159.0GB/s
Bandwidth
106.0GB/s

Render Config

-
Compute Units
4
30
SM Count
-
240
Shading Units
320
80
TMUs
16
32
ROPs
16
-
-
-
-
-
-
-
-
-
256 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

20.74 GPixel/s
Pixel Rate
11.89 GPixel/s
51.84 GTexel/s
Texture Rate
11.89 GTexel/s
-
-
-
708.5 GFLOPS
FP32 (float)
475.5 GFLOPS
88.56 GFLOPS
FP64 (double)
-

Board Design

204W
TDP
215W
550 W
Suggested PSU
550 W
2x DVI 1x S-Video
Outputs
2x DVI 1x S-Video
2x 6-pin
Power Connectors
1x 6-pin + 1x 8-pin

Graphics Processor

GT200B
GPU Name
R600
G200-350-B3
GPU Variant
R600 XT (215RGMDKA13FG)
Tesla 2.0
Architecture
TeraScale
TSMC
Foundry
TSMC
55 nm
Process Size
80 nm
1.4 billion
Transistors
0.72 billion
470 mm²
Die Size
420 mm²

Graphics Features

11.1 (10_0)
DirectX
10.0 (10_0)
3.3
OpenGL
3.3 (full) 4.0 (partial)
1.1
OpenCL
N/A
N/A
Vulkan
N/A
1.3
CUDA
-
4.0
Shader Model
4.0

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