AMD Radeon HD 7670 OEM vs AMD Radeon HD 6450

VS

AMD Radeon HD 7670 OEM AMD Radeon HD 6450

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 7670 OEM and 512MB VRAM Radeon HD 6450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7670 OEM 's Advantages

Released 9 months late

Larger VRAM bandwidth (64.00GB/s vs 25.60GB/s)

320 additional rendering cores

AMD Radeon HD 6450 's Advantages

Lower TDP (18W vs 66W)

Score

Benchmark

FP32 (float)

Radeon HD 7670 OEM +284%

0.768 TFLOPS

Radeon HD 6450

0.2 TFLOPS

Radeon HD 7670 OEM

VS

Radeon HD 6450

Graphics Card

Jan 2012

Release Date

Apr 2011

Southern Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1000 MHz

Memory Clock

800 MHz

Memory

512MB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

64bit

64.00GB/s

Bandwidth

25.60GB/s

Render Config

-

SM Count

-

6

Compute Units

2

480

Shading Units

160

24

TMUs

8

ROPs

4

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

Theoretical Performance

6.400 GPixel/s

Pixel Rate

2.500 GPixel/s

19.20 GTexel/s

Texture Rate

5.000 GTexel/s

-

FP16 (half)

-

768.0 GFLOPS

FP32 (float)

200.0 GFLOPS

-

FP64 (double)

-

Graphics Processor

Turks

GPU Name

Caicos

Turks XT (215-0803000)

GPU Variant

Caicos PRO

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.716 billion

Transistors

0.37 billion

118 mm²

Die Size

67 mm²

Board Design

66W

TDP

18W

250 W

Suggested PSU

200 W

1x DVI 1x DisplayPort 1.1 1x VGA

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

None

Power Connectors

None

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

-

CUDA

-

5.0

Shader Model

5.0

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