ATI Radeon HD 5870 Mac Edition vs AMD Radeon HD 8970 OEM

VS

ATI Radeon HD 5870 Mac Edition AMD Radeon HD 8970 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5870 Mac Edition and 3GB VRAM Radeon HD 8970 OEM 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

Lower TDP (228W vs 250W)

AMD Radeon HD 8970 OEM 's Advantages

Released 2 years and 7 months late

More VRAM (3GB vs 1GB)

Larger VRAM bandwidth (264.0GB/s vs 153.0GB/s)

448 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 5870 Mac Edition

2.72 TFLOPS

Radeon HD 8970 OEM +39%

3.789 TFLOPS

Radeon HD 5870 Mac Edition

VS

Radeon HD 8970 OEM

Graphics Card

Jun 2010

Release Date

Jan 2013

Evergreen

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1195 MHz

Memory Clock

1375 MHz

Memory

1024MB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

153.0GB/s

Bandwidth

264.0GB/s

Render Config

-

SM Count

-

20

Compute Units

32

1600

Shading Units

2048

80

TMUs

128

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

768 KB

Theoretical Performance

27.20 GPixel/s

Pixel Rate

29.60 GPixel/s

68.00 GTexel/s

Texture Rate

118.4 GTexel/s

-

FP16 (half)

-

2.720 TFLOPS

FP32 (float)

3.789 TFLOPS

544.0 GFLOPS

FP64 (double)

947.2 GFLOPS

Graphics Processor

Cypress

GPU Name

Tahiti

Cypress XT (215-0735033)

GPU Variant

Tahiti XT (215-0821060)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

2.154 billion

Transistors

4.313 billion

334 mm²

Die Size

352 mm²

Board Design

228W

TDP

250W

550 W

Suggested PSU

600 W

1x DVI 2x mini-DisplayPort 1.1

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

CUDA

-

5.0

Shader Model

5.1

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