AMD Radeon HD 6470M vs AMD Radeon HD 6850M

VS

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6470M and 1024MB VRAM Radeon HD 6850M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6470M 's Advantages

Lower TDP (25W vs 50W)

AMD Radeon HD 6850M 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (25.60GB/s vs 12.80GB/s)

640 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6470M

0.224 TFLOPS

Radeon HD 6850M +382%

1.08 TFLOPS

Radeon HD 6470M

VS

Radeon HD 6850M

Graphics Card

Jan 2011

Release Date

Jan 2011

Vancouver

Generation

Vancouver

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

800 MHz

Memory Clock

800 MHz

Memory

512MB

Memory Size

1024MB

DDR3

Memory Type

GDDR3

64bit

Memory Bus

128bit

12.80GB/s

Bandwidth

25.60GB/s

Render Config

-

SM Count

-

2

Compute Units

10

160

Shading Units

800

8

TMUs

40

4

ROPs

16

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

256 KB

Theoretical Performance

2.800 GPixel/s

Pixel Rate

10.80 GPixel/s

5.600 GTexel/s

Texture Rate

27.00 GTexel/s

-

FP16 (half)

-

224.0 GFLOPS

FP32 (float)

1080 GFLOPS

-

FP64 (double)

-

Graphics Processor

Seymour

GPU Name

Granville

Seymour XT (216-0810084)

GPU Variant

Granville PRO

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.37 billion

Transistors

1.04 billion

67 mm²

Die Size

166 mm²

Board Design

25W

TDP

50W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

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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