ATI Radeon HD 3750 vs AMD Radeon R9 255 OEM

VS

ATI Radeon HD 3750

AMD Radeon R9 255 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3750 and 2GB VRAM Radeon R9 255 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 255 OEM 's Advantages

Released 5 years and 3 months late

Boost Clock930MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (73.60GB/s vs 22.18GB/s)

392 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3750

0.191 TFLOPS

Radeon R9 255 OEM +398%

0.952 TFLOPS

Radeon HD 3750

VS

Radeon R9 255 OEM

Graphics Card

Sep 2008

Release Date

Dec 2013

Radeon R600

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

930 MHz

693 MHz

Memory Clock

1150 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

22.18GB/s

Bandwidth

73.60GB/s

Render Config

3

Compute Units

8

-

120

Shading Units

512

8

TMUs

32

4

ROPs

16

-

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

3.184 GPixel/s

Pixel Rate

14.88 GPixel/s

6.368 GTexel/s

Texture Rate

29.76 GTexel/s

-

191.0 GFLOPS

FP32 (float)

952.3 GFLOPS

-

FP64 (double)

59.52 GFLOPS

Board Design

65W

TDP

65W

250 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

No outputs

None

Power Connectors

1x 6-pin

Graphics Processor

RV635

GPU Name

Cape Verde

RV635 PRO (215-0682008)

GPU Variant

Cape Verde PRX

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.378 billion

Transistors

1.5 billion

135 mm²

Die Size

123 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_1)

3.3

OpenGL

4.6

N/A

OpenCL

1.2

N/A

Vulkan

1.2

-

4.1

Shader Model

5.1

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