AMD Radeon HD 7750 vs ATI Radeon HD 4670 X2

VS

AMD Radeon HD 7750

ATI Radeon HD 4670 X2

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7750 and 512MB VRAM Radeon HD 4670 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7750 's Advantages

Released 3 years and 5 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (72.00GB/s vs 22.40GB/s)

192 additional rendering cores

Lower TDP (55W vs 118W)

Score

Benchmark

FP32 (float)

Radeon HD 7750 +70%

0.819 TFLOPS

Radeon HD 4670 X2

0.48 TFLOPS

Radeon HD 7750

VS

Radeon HD 4670 X2

Graphics Card

Feb 2012

Release Date

Sep 2008

Southern Islands

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1125 MHz

Memory Clock

700 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

72.00GB/s

Bandwidth

22.40GB/s

Render Config

8

Compute Units

4

-

512

Shading Units

320

32

TMUs

32

16

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

12.80 GPixel/s

Pixel Rate

6.000 GPixel/s

25.60 GTexel/s

Texture Rate

24.00 GTexel/s

-

819.2 GFLOPS

FP32 (float)

480.0 GFLOPS

51.20 GFLOPS

FP64 (double)

-

Board Design

55W

TDP

118W

250 W

Suggested PSU

300 W

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

Outputs

4x DVI

None

Power Connectors

1x 6-pin

Graphics Processor

Cape Verde

GPU Name

RV730

Cape Verde PRO

GPU Variant

RV730 XT (215-0719047)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

1.5 billion

Transistors

0.514 billion

123 mm²

Die Size

146 mm²

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

5.1

Shader Model

4.1

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