ATI Radeon HD 3550 vs AMD Radeon HD 6970 X2

VS

ATI Radeon HD 3550

AMD Radeon HD 6970 X2

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3550 and 2GB VRAM Radeon HD 6970 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3550 's Advantages

Lower TDP (30W vs 375W)

AMD Radeon HD 6970 X2 's Advantages

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (176.0GB/s vs 6.336GB/s)

1496 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3550

0.048 TFLOPS

Radeon HD 6970 X2 +5531%

2.703 TFLOPS

Radeon HD 3550

VS

Radeon HD 6970 X2

Graphics Card

Aug 2008

Release Date

Unknown

Radeon R600

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

396 MHz

Memory Clock

1375 MHz

Memory

512MB

Memory Size

2GB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

256bit

6.336GB/s

Bandwidth

176.0GB/s

Render Config

2

Compute Units

24

-

40

Shading Units

1536

4

TMUs

96

4

ROPs

32

-

L1 Cache

8 KB (per CU)

64 KB

L2 Cache

512 KB

-

Theoretical Performance

2.376 GPixel/s

Pixel Rate

28.16 GPixel/s

2.376 GTexel/s

Texture Rate

84.48 GTexel/s

-

47.52 GFLOPS

FP32 (float)

2.703 TFLOPS

-

Board Design

30W

TDP

375W

200 W

Suggested PSU

750 W

2x DisplayPort

Outputs

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

None

Power Connectors

3x 8-pin

Graphics Processor

RV620

GPU Name

Antilles

RV620 PRO (215-0670006)

GPU Variant

Antilles XT (215-0807027)

TeraScale

Architecture

TeraScale 3

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.181 billion

Transistors

2.64 billion

67 mm²

Die Size

389 mm²

Graphics Features

10.1 (10_1)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

4.1

Shader Model

5.0

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