AMD Radeon HD 6970 vs AMD Radeon HD 7450 OEM

VS

AMD Radeon HD 6970

AMD Radeon HD 7450 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6970 and 512MB VRAM Radeon HD 7450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6970 's Advantages

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (176.0GB/s vs 8.528GB/s)

1376 additional rendering cores

AMD Radeon HD 7450 OEM 's Advantages

Released 1 years and 1 months late

Lower TDP (18W vs 250W)

Score

Benchmark

FP32 (float)

Radeon HD 6970 +1251%

2.703 TFLOPS

Radeon HD 7450 OEM

0.2 TFLOPS

Radeon HD 6970

VS

Radeon HD 7450 OEM

Graphics Card

Dec 2010

Release Date

Jan 2012

Northern Islands

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

533 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

64bit

176.0GB/s

Bandwidth

8.528GB/s

Render Config

24

Compute Units

2

-

1536

Shading Units

160

96

TMUs

8

32

ROPs

4

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

28.16 GPixel/s

Pixel Rate

2.500 GPixel/s

84.48 GTexel/s

Texture Rate

5.000 GTexel/s

-

2.703 TFLOPS

FP32 (float)

200.0 GFLOPS

675.8 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

18W

600 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Cayman

GPU Name

Caicos

Cayman XT (215-0807007)

GPU Variant

Caimour

TeraScale 3

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

2.64 billion

Transistors

0.37 billion

389 mm²

Die Size

67 mm²

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

5.0

Shader Model

5.0

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