AMD Radeon HD 8870 OEM vs NVIDIA GeForce GTX 285 Mac Edition

VS

AMD Radeon HD 8870 OEM

NVIDIA GeForce GTX 285 Mac Edition

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 8870 OEM 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 8870 OEM 's Advantages

Released 4 years late

More VRAM (2GB vs 1024GB)

1040 additional rendering cores

Lower TDP (175W vs 204W)

NVIDIA GeForce GTX 285 Mac Edition 's Advantages

Larger VRAM bandwidth (159.0GB/s vs 153.6GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 8870 OEM +261%

2.56 TFLOPS

GeForce GTX 285 Mac Edition

0.708 TFLOPS

Radeon HD 8870 OEM

VS

GeForce GTX 285 Mac Edition

Graphics Card

Jan 2013

Release Date

Jan 2009

Sea Islands

Generation

GeForce 200

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

1242 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

512bit

153.6GB/s

Bandwidth

159.0GB/s

Render Config

20

Compute Units

-

SM Count

30

1280

Shading Units

240

80

TMUs

80

32

ROPs

32

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

256 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

20.74 GPixel/s

80.00 GTexel/s

Texture Rate

51.84 GTexel/s

-

2.560 TFLOPS

FP32 (float)

708.5 GFLOPS

160.0 GFLOPS

FP64 (double)

88.56 GFLOPS

Board Design

175W

TDP

204W

450 W

Suggested PSU

550 W

1x 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

Pitcairn

GPU Name

GT200B

Pitcairn XT (215-0828047)

GPU Variant

G200-350-B3

GCN 1.0

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

2.8 billion

Transistors

1.4 billion

212 mm²

Die Size

470 mm²

Graphics Features

12 (11_1)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.3

5.1

Shader Model

4.0

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