NVIDIA GeForce GTX 285 vs AMD Radeon HD 6870

VS

NVIDIA GeForce GTX 285

AMD Radeon HD 6870

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 285 and 1024MB VRAM Radeon HD 6870 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)

AMD Radeon HD 6870 's Advantages

Released 1 years and 10 months late

880 additional rendering cores

Lower TDP (151W vs 204W)

Score

Benchmark

FP32 (float)

GeForce GTX 285

0.708 TFLOPS

Radeon HD 6870 +184%

2.016 TFLOPS

GeForce GTX 285

VS

Radeon HD 6870

Graphics Card

Dec 2008

Release Date

Oct 2010

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

151W

550 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

2x 6-pin

Power Connectors

2x 6-pin

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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