ATI Radeon HD 5870 Mac Edition vs AMD Radeon HD 7950

VS

ATI Radeon HD 5870 Mac Edition AMD Radeon HD 7950

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5870 Mac Edition and 3GB VRAM Radeon HD 7950 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950 's Advantages

Released 1 years and 7 months late

More VRAM (3GB vs 1GB)

Larger VRAM bandwidth (240.0GB/s vs 153.0GB/s)

192 additional rendering cores

Lower TDP (200W vs 228W)

Score

Benchmark

FP32 (float)

Radeon HD 5870 Mac Edition

2.72 TFLOPS

Radeon HD 7950 +5%

2.867 TFLOPS

Radeon HD 5870 Mac Edition

VS

Radeon HD 7950

Graphics Card

Jun 2010

Release Date

Jan 2012

Evergreen

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1195 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

153.0GB/s

Bandwidth

240.0GB/s

Render Config

-

SM Count

-

20

Compute Units

28

1600

Shading Units

1792

80

TMUs

112

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

25.60 GPixel/s

68.00 GTexel/s

Texture Rate

89.60 GTexel/s

-

FP16 (half)

-

2.720 TFLOPS

FP32 (float)

2.867 TFLOPS

544.0 GFLOPS

FP64 (double)

716.8 GFLOPS

Graphics Processor

Cypress

GPU Name

Tahiti

Cypress XT (215-0735033)

GPU Variant

Tahiti PRO (215-0821056)

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

200W

550 W

Suggested PSU

550 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

2x 6-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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