AMD Radeon HD 7870 XT vs ATI Radeon HD 5870 Eyefinity 6

VS

AMD Radeon HD 7870 XT

ATI Radeon HD 5870 Eyefinity 6

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 XT and 2GB VRAM Radeon HD 5870 Eyefinity 6 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 8 months late

Boost Clock975MHz

Larger VRAM bandwidth (192.0GB/s vs 153.6GB/s)

Lower TDP (185W vs 228W)

ATI Radeon HD 5870 Eyefinity 6 's Advantages

64 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7870 XT +10%

2.995 TFLOPS

Radeon HD 5870 Eyefinity 6

2.72 TFLOPS

Radeon HD 7870 XT

VS

Radeon HD 5870 Eyefinity 6

Graphics Card

Nov 2012

Release Date

Mar 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

1200 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

192.0GB/s

Bandwidth

153.6GB/s

Render Config

24

Compute Units

20

-

1536

Shading Units

1600

96

TMUs

80

32

ROPs

32

-

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

-

2.995 TFLOPS

FP32 (float)

2.720 TFLOPS

748.8 GFLOPS

FP64 (double)

544.0 GFLOPS

Board Design

185W

TDP

228W

450 W

Suggested PSU

550 W

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

Outputs

6x mini-DisplayPort 1.1

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

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

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

5.1

Shader Model

5.0

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