ATI Radeon HD 5870 Mac Edition vs AMD Radeon HD 6850 1440SP Edition

VS

ATI Radeon HD 5870 Mac Edition AMD Radeon HD 6850 1440SP Edition

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5870 Mac Edition and 1024MB VRAM Radeon HD 6850 1440SP Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5870 Mac Edition 's Advantages

Larger VRAM bandwidth (153.0GB/s vs 128.0GB/s)

160 additional rendering cores

AMD Radeon HD 6850 1440SP Edition 's Advantages

Released 2 years and 2 months late

Lower TDP (151W vs 228W)

Score

Benchmark

FP32 (float)

Radeon HD 5870 Mac Edition +30%

2.72 TFLOPS

Radeon HD 6850 1440SP Edition

2.088 TFLOPS

Radeon HD 5870 Mac Edition

VS

Radeon HD 6850 1440SP Edition

Graphics Card

Jun 2010

Release Date

Aug 2012

Evergreen

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1195 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

153.0GB/s

Bandwidth

128.0GB/s

Render Config

-

SM Count

-

20

Compute Units

18

1600

Shading Units

1440

80

TMUs

72

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

512 KB

Theoretical Performance

27.20 GPixel/s

Pixel Rate

23.20 GPixel/s

68.00 GTexel/s

Texture Rate

52.20 GTexel/s

-

FP16 (half)

-

2.720 TFLOPS

FP32 (float)

2.088 TFLOPS

544.0 GFLOPS

FP64 (double)

417.6 GFLOPS

Graphics Processor

Cypress

GPU Name

Cypress

Cypress XT (215-0735033)

GPU Variant

Cypress PRO (215-0735043)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

2.154 billion

Transistors

2.154 billion

334 mm²

Die Size

334 mm²

Board Design

228W

TDP

151W

550 W

Suggested PSU

450 W

1x DVI 2x mini-DisplayPort 1.1

Outputs

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

2x 6-pin

Power Connectors

2x 6-pin

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

CUDA

-

5.0

Shader Model

5.0

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