AMD Radeon HD 6950 vs ATI Radeon HD 4350 PCIe x1

VS

AMD Radeon HD 6950

ATI Radeon HD 4350 PCIe x1

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6950 and 512MB VRAM Radeon HD 4350 PCIe x1 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6950 's Advantages

Released 2 years and 3 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (160.0GB/s vs 6.400GB/s)

1328 additional rendering cores

ATI Radeon HD 4350 PCIe x1 's Advantages

Lower TDP (20W vs 200W)

Score

Benchmark

FP32 (float)

Radeon HD 6950 +2246%

2.253 TFLOPS

Radeon HD 4350 PCIe x1

0.096 TFLOPS

Radeon HD 6950

VS

Radeon HD 4350 PCIe x1

Graphics Card

Dec 2010

Release Date

Sep 2008

Northern Islands

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x1

Clock Speeds

-

1250 MHz

Memory Clock

400 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

160.0GB/s

Bandwidth

6.400GB/s

Render Config

22

Compute Units

1

-

1408

Shading Units

80

88

TMUs

8

32

ROPs

4

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

64 KB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

2.400 GPixel/s

70.40 GTexel/s

Texture Rate

4.800 GTexel/s

-

2.253 TFLOPS

FP32 (float)

96.00 GFLOPS

563.2 GFLOPS

FP64 (double)

-

Board Design

200W

TDP

20W

550 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x VGA 1x S-Video

2x 6-pin

Power Connectors

None

Graphics Processor

Cayman

GPU Name

RV710

Cayman PRO (215-0807019)

GPU Variant

RV710 (215-0725016)

TeraScale 3

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

2.64 billion

Transistors

0.242 billion

389 mm²

Die Size

73 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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