ATI Radeon HD 3750 vs AMD Radeon R9 285

VS

ATI Radeon HD 3750

AMD Radeon R9 285

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3750 and 2GB VRAM Radeon R9 285 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3750 's Advantages

Lower TDP (65W vs 190W)

AMD Radeon R9 285 's Advantages

Released 6 years late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (176.0GB/s vs 22.18GB/s)

1672 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3750

0.191 TFLOPS

Radeon R9 285 +1622%

3.29 TFLOPS

Radeon HD 3750

VS

Radeon R9 285

Graphics Card

Sep 2008

Release Date

Sep 2014

Radeon R600

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

693 MHz

Memory Clock

1375 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

22.18GB/s

Bandwidth

176.0GB/s

Render Config

3

Compute Units

28

-

120

Shading Units

1792

8

TMUs

112

4

ROPs

32

-

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

3.184 GPixel/s

Pixel Rate

29.38 GPixel/s

6.368 GTexel/s

Texture Rate

102.8 GTexel/s

-

FP16 (half)

3.290 TFLOPS

191.0 GFLOPS

FP32 (float)

3.290 TFLOPS

-

FP64 (double)

205.6 GFLOPS

Board Design

65W

TDP

190W

250 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

None

Power Connectors

2x 6-pin

Graphics Processor

RV635

GPU Name

Tonga

RV635 PRO (215-0682008)

GPU Variant

Tonga PRO (215-0851128)

TeraScale

Architecture

GCN 3.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.378 billion

Transistors

5 billion

135 mm²

Die Size

366 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (12_0)

3.3

OpenGL

4.6

N/A

OpenCL

2.1

N/A

Vulkan

1.2.170

-

4.1

Shader Model

6.5

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