AMD Radeon HD 6950 vs NVIDIA GeForce GTX 285 Mac Edition

VS

AMD Radeon HD 6950

NVIDIA GeForce GTX 285 Mac Edition

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6950 and 1024MB VRAM GeForce GTX 285 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6950 's Advantages

Released 1 years and 11 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 159.0GB/s)

1168 additional rendering cores

Lower TDP (200W vs 204W)

Score

Benchmark

FP32 (float)

Radeon HD 6950 +218%

2.253 TFLOPS

GeForce GTX 285 Mac Edition

0.708 TFLOPS

Radeon HD 6950

VS

GeForce GTX 285 Mac Edition

Graphics Card

Dec 2010

Release Date

Jan 2009

Northern Islands

Generation

GeForce 200

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

1242 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

512bit

160.0GB/s

Bandwidth

159.0GB/s

Render Config

22

Compute Units

-

SM Count

30

1408

Shading Units

240

88

TMUs

80

32

ROPs

32

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

256 KB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

20.74 GPixel/s

70.40 GTexel/s

Texture Rate

51.84 GTexel/s

-

2.253 TFLOPS

FP32 (float)

708.5 GFLOPS

563.2 GFLOPS

FP64 (double)

88.56 GFLOPS

Board Design

200W

TDP

204W

550 W

Suggested PSU

550 W

2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Cayman

GPU Name

GT200B

Cayman PRO (215-0807019)

GPU Variant

G200-350-B3

TeraScale 3

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

2.64 billion

Transistors

1.4 billion

389 mm²

Die Size

470 mm²

Graphics Features

11.2 (11_0)

DirectX

11.1 (10_0)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.3

5.0

Shader Model

4.0

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