AMD Radeon HD 6930 vs ATI Radeon HD 3650

VS

AMD Radeon HD 6930

ATI Radeon HD 3650

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6930 and 256MB VRAM Radeon HD 3650 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6930 's Advantages

Released 3 years and 11 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (153.6GB/s vs 25.60GB/s)

1160 additional rendering cores

ATI Radeon HD 3650 's Advantages

Lower TDP (65W vs 186W)

Score

Benchmark

FP32 (float)

Radeon HD 6930 +1003%

1.92 TFLOPS

Radeon HD 3650

0.174 TFLOPS

Radeon HD 6930

VS

Radeon HD 3650

Graphics Card

Dec 2011

Release Date

Jan 2008

Northern Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

25.60GB/s

Render Config

20

Compute Units

3

-

1280

Shading Units

120

80

TMUs

8

32

ROPs

4

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

128 KB

-

Theoretical Performance

24.00 GPixel/s

Pixel Rate

2.900 GPixel/s

60.00 GTexel/s

Texture Rate

5.800 GTexel/s

-

1.920 TFLOPS

FP32 (float)

174.0 GFLOPS

480.0 GFLOPS

FP64 (double)

-

Board Design

186W

TDP

65W

450 W

Suggested PSU

250 W

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

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

None

Graphics Processor

Cayman

GPU Name

RV635

Cayman CE (215-0807105)

GPU Variant

RV635 PRO (215-0682008)

TeraScale 3

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

2.64 billion

Transistors

0.378 billion

389 mm²

Die Size

135 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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