AMD Radeon HD 6870 X2 vs ATI Radeon HD 5750

VS

AMD Radeon HD 6870 X2 ATI Radeon HD 5750

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 X2 and 1024MB VRAM Radeon HD 5750 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 X2 's Advantages

Released 1 years and 9 months late

Larger VRAM bandwidth (134.4GB/s vs 73.60GB/s)

400 additional rendering cores

ATI Radeon HD 5750 's Advantages

Lower TDP (86W vs 300W)

Score

Benchmark

FP32 (float)

Radeon HD 6870 X2 +100%

2.016 TFLOPS

Radeon HD 5750

1.008 TFLOPS

Radeon HD 6870 X2

VS

Radeon HD 5750

Graphics Card

Jul 2011

Release Date

Oct 2009

Northern Islands

Generation

Evergreen

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1050 MHz

Memory Clock

1150 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

134.4GB/s

Bandwidth

73.60GB/s

Render Config

-

SM Count

-

14

Compute Units

9

1120

Shading Units

720

56

TMUs

36

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

Theoretical Performance

28.80 GPixel/s

Pixel Rate

11.20 GPixel/s

50.40 GTexel/s

Texture Rate

25.20 GTexel/s

-

FP16 (half)

-

2.016 TFLOPS

FP32 (float)

1008 GFLOPS

-

FP64 (double)

-

Graphics Processor

Barts

GPU Name

Juniper

Barts XT (215-0798000)

GPU Variant

Juniper LE (215-0754009)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.7 billion

Transistors

1.04 billion

255 mm²

Die Size

166 mm²

Board Design

300W

TDP

86W

700 W

Suggested PSU

250 W

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

Outputs

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

-

Power Connectors

1x 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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