Home GPU Comparison NVIDIA GeForce GTX 285 vs AMD Radeon HD 6870 X2

NVIDIA GeForce GTX 285 vs AMD Radeon HD 6870 X2

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 285 and 1024MB VRAM Radeon HD 6870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 285 's Advantages
Larger VRAM bandwidth (159.0GB/s vs 134.4GB/s)
Lower TDP (204W vs 300W)
AMD Radeon HD 6870 X2 's Advantages
Released 2 years and 7 months late
880 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce GTX 285
0.708 TFLOPS
Radeon HD 6870 X2 +184%
2.016 TFLOPS
VS

Graphics Card

Dec 2008
Release Date
Jul 2011
GeForce 200
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
1242 MHz
Memory Clock
1050 MHz

Memory

1024MB
Memory Size
1024MB
GDDR3
Memory Type
GDDR5
512bit
Memory Bus
256bit
159.0GB/s
Bandwidth
134.4GB/s

Render Config

-
Compute Units
14
30
SM Count
-
240
Shading Units
1120
80
TMUs
56
32
ROPs
32
-
-
-
-
-
-
-
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

20.74 GPixel/s
Pixel Rate
28.80 GPixel/s
51.84 GTexel/s
Texture Rate
50.40 GTexel/s
-
-
-
708.5 GFLOPS
FP32 (float)
2.016 TFLOPS
88.56 GFLOPS
FP64 (double)
-

Board Design

204W
TDP
300W
550 W
Suggested PSU
700 W
2x DVI 1x S-Video
Outputs
2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1
2x 6-pin
Power Connectors
-

Graphics Processor

GT200B
GPU Name
Barts
G200-350-B3
GPU Variant
Barts XT (215-0798000)
Tesla 2.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
55 nm
Process Size
40 nm
1.4 billion
Transistors
1.7 billion
470 mm²
Die Size
255 mm²

Graphics Features

11.1 (10_0)
DirectX
11.2 (11_0)
3.3
OpenGL
4.4
1.1
OpenCL
1.2
N/A
Vulkan
N/A
1.3
CUDA
-
4.0
Shader Model
5.0

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