ATI Radeon HD 3870 Mac Edition vs ATI Radeon HD 5690

VS

ATI Radeon HD 3870 Mac Edition

ATI Radeon HD 5690

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3870 Mac Edition and 1024MB VRAM Radeon HD 5690 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3870 Mac Edition 's Advantages

Larger VRAM bandwidth (72.06GB/s vs 32.00GB/s)

ATI Radeon HD 5690 's Advantages

Released 2 years and 8 months late

More VRAM (1024GB vs 512GB)

80 additional rendering cores

Lower TDP (64W vs 106W)

Score

Benchmark

FP32 (float)

Radeon HD 3870 Mac Edition

0.497 TFLOPS

Radeon HD 5690 +24%

0.62 TFLOPS

Radeon HD 3870 Mac Edition

VS

Radeon HD 5690

Graphics Card

Jun 2008

Release Date

Feb 2011

Radeon R600

Generation

Evergreen

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1126 MHz

Memory Clock

1000 MHz

Memory

512MB

Memory Size

1024MB

GDDR4

Memory Type

GDDR3

256bit

Memory Bus

128bit

72.06GB/s

Bandwidth

32.00GB/s

Render Config

4

Compute Units

5

-

320

Shading Units

400

16

TMUs

20

16

ROPs

8

-

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

12.43 GPixel/s

Pixel Rate

6.200 GPixel/s

12.43 GTexel/s

Texture Rate

15.50 GTexel/s

-

497.3 GFLOPS

FP32 (float)

620.0 GFLOPS

99.46 GFLOPS

FP64 (double)

-

Board Design

106W

TDP

64W

300 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin

Power Connectors

-

Graphics Processor

RV670

GPU Name

Redwood

RV670 XT (215-0708005)

GPU Variant

Redwood XT (215-0757002)

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.666 billion

Transistors

0.627 billion

192 mm²

Die Size

104 mm²

Graphics Features

10.1 (10_1)

DirectX

11.2 (11_0)

3.3 (full) 4.0 (partial)

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

4.1

Shader Model

5.0

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