AMD Radeon HD 7870 XT vs ATI Radeon HD 5870 Mac Edition

VS

AMD Radeon HD 7870 XT ATI Radeon HD 5870 Mac Edition

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 XT and 1024MB VRAM Radeon HD 5870 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7870 XT 's Advantages

Released 2 years and 5 months late

Boost Clock975MHz

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (192.0GB/s vs 153.0GB/s)

Lower TDP (185W vs 228W)

ATI Radeon HD 5870 Mac Edition 's Advantages

64 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7870 XT +10%

2.995 TFLOPS

Radeon HD 5870 Mac Edition

2.72 TFLOPS

Radeon HD 7870 XT

VS

Radeon HD 5870 Mac Edition

Graphics Card

Nov 2012

Release Date

Jun 2010

Southern Islands

Generation

Evergreen

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

925 MHz

Base Clock

-

975 MHz

Boost Clock

-

1500 MHz

Memory Clock

1195 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

192.0GB/s

Bandwidth

153.0GB/s

Render Config

-

SM Count

-

24

Compute Units

20

1536

Shading Units

1600

96

TMUs

80

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

512 KB

Theoretical Performance

31.20 GPixel/s

Pixel Rate

27.20 GPixel/s

93.60 GTexel/s

Texture Rate

68.00 GTexel/s

-

FP16 (half)

-

2.995 TFLOPS

FP32 (float)

2.720 TFLOPS

748.8 GFLOPS

FP64 (double)

544.0 GFLOPS

Graphics Processor

Tahiti

GPU Name

Cypress

Tahiti LE (215-0821122)

GPU Variant

Cypress XT (215-0735033)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

4.313 billion

Transistors

2.154 billion

352 mm²

Die Size

334 mm²

Board Design

185W

TDP

228W

450 W

Suggested PSU

550 W

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

Outputs

1x DVI 2x mini-DisplayPort 1.1

2x 6-pin

Power Connectors

2x 6-pin

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

5.1

Shader Model

5.0

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