ATI Radeon HD 3750 vs AMD Radeon Sky 500

VS

ATI Radeon HD 3750

AMD Radeon Sky 500

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3750 and 4GB VRAM Radeon Sky 500 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 150W)

AMD Radeon Sky 500 's Advantages

Released 4 years and 6 months late

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (153.6GB/s vs 22.18GB/s)

1160 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3750

0.191 TFLOPS

Radeon Sky 500 +1173%

2.432 TFLOPS

Radeon HD 3750

VS

Radeon Sky 500

Graphics Card

Sep 2008

Release Date

Mar 2013

Radeon R600

Generation

Radeon Sky

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

693 MHz

Memory Clock

1200 MHz

Memory

512MB

Memory Size

4GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

22.18GB/s

Bandwidth

153.6GB/s

Render Config

3

Compute Units

20

-

120

Shading Units

1280

8

TMUs

80

4

ROPs

32

-

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

3.184 GPixel/s

Pixel Rate

30.40 GPixel/s

6.368 GTexel/s

Texture Rate

76.00 GTexel/s

-

191.0 GFLOPS

FP32 (float)

2.432 TFLOPS

-

FP64 (double)

152.0 GFLOPS

Board Design

65W

TDP

150W

250 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

1x DisplayPort 1.2

None

Power Connectors

1x 6-pin

Graphics Processor

RV635

GPU Name

Pitcairn

RV635 PRO (215-0682008)

GPU Variant

Pitcairn XT GL (215-0828073)

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.378 billion

Transistors

2.8 billion

135 mm²

Die Size

212 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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