AMD Radeon HD 7750 vs AMD Radeon HD 6870

VS

AMD Radeon HD 7750

AMD Radeon HD 6870

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7750 and 1024MB VRAM Radeon HD 6870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7750 's Advantages

Released 1 years and 4 months late

Lower TDP (55W vs 151W)

AMD Radeon HD 6870 's Advantages

Larger VRAM bandwidth (134.4GB/s vs 72.00GB/s)

608 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7750

0.819 TFLOPS

Radeon HD 6870 +146%

2.016 TFLOPS

Radeon HD 7750

VS

Radeon HD 6870

Graphics Card

Feb 2012

Release Date

Oct 2010

Southern Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1125 MHz

Memory Clock

1050 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

72.00GB/s

Bandwidth

134.4GB/s

Render Config

8

Compute Units

14

-

512

Shading Units

1120

32

TMUs

56

16

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

12.80 GPixel/s

Pixel Rate

28.80 GPixel/s

25.60 GTexel/s

Texture Rate

50.40 GTexel/s

-

819.2 GFLOPS

FP32 (float)

2.016 TFLOPS

51.20 GFLOPS

FP64 (double)

-

Board Design

55W

TDP

151W

250 W

Suggested PSU

450 W

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

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

None

Power Connectors

2x 6-pin

Graphics Processor

Cape Verde

GPU Name

Barts

Cape Verde PRO

GPU Variant

Barts XT (215-0798000)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.5 billion

Transistors

1.7 billion

123 mm²

Die Size

255 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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