AMD Radeon HD 7670M vs AMD Radeon HD 6450M

VS

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 7670M and 1024MB VRAM Radeon HD 6450M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7670M 's Advantages

Released 1 years and 1 months late

Larger VRAM bandwidth (28.80GB/s vs 12.80GB/s)

320 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7670M +200%

0.576 TFLOPS

Radeon HD 6450M

0.192 TFLOPS

Radeon HD 7670M

VS

Radeon HD 6450M

Graphics Card

Feb 2012

Release Date

Jan 2011

London

Generation

Vancouver

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

12.80GB/s

Render Config

-

SM Count

-

6

Compute Units

2

480

Shading Units

160

24

TMUs

8

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

Theoretical Performance

9.600 GPixel/s

Pixel Rate

2.400 GPixel/s

14.40 GTexel/s

Texture Rate

4.800 GTexel/s

-

FP16 (half)

-

576.0 GFLOPS

FP32 (float)

192.0 GFLOPS

-

FP64 (double)

-

Graphics Processor

Thames

GPU Name

Seymour

Thames XT (216-0833000)

GPU Variant

Seymour PRO S3 (216-0809024)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.716 billion

Transistors

0.37 billion

104 mm²

Die Size

67 mm²

Board Design

20W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

-

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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