AMD Radeon R7 250E vs ATI Radeon HD 4750

VS

AMD Radeon R7 250E

ATI Radeon HD 4750

We compared two Desktop platform GPUs: 1024MB VRAM Radeon R7 250E and 512MB VRAM Radeon HD 4750 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 250E 's Advantages

Released 4 years and 3 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (72.00GB/s vs 51.20GB/s)

Lower TDP (55W vs 100W)

ATI Radeon HD 4750 's Advantages

128 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 250E

0.819 TFLOPS

Radeon HD 4750 +14%

0.934 TFLOPS

Radeon R7 250E

VS

Radeon HD 4750

Graphics Card

Dec 2013

Release Date

Sep 2009

Volcanic Islands

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1125 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

72.00GB/s

Bandwidth

51.20GB/s

Render Config

8

Compute Units

8

-

512

Shading Units

640

32

TMUs

32

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

12.80 GPixel/s

Pixel Rate

11.68 GPixel/s

25.60 GTexel/s

Texture Rate

23.36 GTexel/s

-

819.2 GFLOPS

FP32 (float)

934.4 GFLOPS

51.20 GFLOPS

FP64 (double)

186.9 GFLOPS

Board Design

55W

TDP

100W

250 W

Suggested PSU

300 W

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

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin

Graphics Processor

Cape Verde

GPU Name

RV740

Cape Verde PRO

GPU Variant

RV740 PRO

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.5 billion

Transistors

0.826 billion

123 mm²

Die Size

137 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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