ATI Radeon HD 4870 X2 vs AMD Radeon HD 7750

VS

ATI Radeon HD 4870 X2

AMD Radeon HD 7750

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 4870 X2 and 1024MB VRAM Radeon HD 7750 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4870 X2 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 72.00GB/s)

288 additional rendering cores

AMD Radeon HD 7750 's Advantages

Released 3 years and 6 months late

Lower TDP (55W vs 286W)

Score

Benchmark

FP32 (float)

Radeon HD 4870 X2 +46%

1.2 TFLOPS

Radeon HD 7750

0.819 TFLOPS

Radeon HD 4870 X2

VS

Radeon HD 7750

Graphics Card

Aug 2008

Release Date

Feb 2012

Radeon R700

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1125 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

72.00GB/s

Render Config

10

Compute Units

8

-

800

Shading Units

512

40

TMUs

32

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

12.80 GPixel/s

30.00 GTexel/s

Texture Rate

25.60 GTexel/s

-

1200 GFLOPS

FP32 (float)

819.2 GFLOPS

240.0 GFLOPS

FP64 (double)

51.20 GFLOPS

Board Design

286W

TDP

55W

600 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

R700

GPU Name

Cape Verde

R700 XT (215-0669045)

GPU Variant

Cape Verde PRO

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.956 billion

Transistors

1.5 billion

256 mm²

Die Size

123 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_1)

3.3

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

-

4.1

Shader Model

5.1

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