AMD Radeon R7 340 OEM vs ATI Radeon HD 4750

VS

AMD Radeon R7 340 OEM

ATI Radeon HD 4750

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 340 OEM 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 340 OEM 's Advantages

Released 5 years and 8 months late

Boost Clock780MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (64.00GB/s vs 51.20GB/s)

Lower TDP (50W vs 100W)

ATI Radeon HD 4750 's Advantages

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 340 OEM

0.599 TFLOPS

Radeon HD 4750 +55%

0.934 TFLOPS

Radeon R7 340 OEM

VS

Radeon HD 4750

Graphics Card

May 2015

Release Date

Sep 2009

Pirate Islands

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

730 MHz

Base Clock

-

780 MHz

Boost Clock

-

1000 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

51.20GB/s

Render Config

6

Compute Units

8

-

384

Shading Units

640

24

TMUs

32

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

6.240 GPixel/s

Pixel Rate

11.68 GPixel/s

18.72 GTexel/s

Texture Rate

23.36 GTexel/s

-

599.0 GFLOPS

FP32 (float)

934.4 GFLOPS

37.44 GFLOPS

FP64 (double)

186.9 GFLOPS

Board Design

50W

TDP

100W

250 W

Suggested PSU

300 W

1x DVI 1x HDMI 1.4a 1x VGA

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin

Graphics Processor

Oland

GPU Name

RV740

-

GPU Variant

RV740 PRO

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

0.95 billion

Transistors

0.826 billion

77 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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