AMD Radeon HD 6850M vs NVIDIA GeForce GT 640M LE

VS

AMD Radeon HD 6850M NVIDIA GeForce GT 640M LE

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6850M and 2GB VRAM GeForce GT 640M LE to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6850M 's Advantages

704 additional rendering cores

NVIDIA GeForce GT 640M LE 's Advantages

Released 1 years and 4 months late

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (50.24GB/s vs 25.60GB/s)

Lower TDP (32W vs 50W)

Score

Benchmark

FP32 (float)

Radeon HD 6850M +273%

1.08 TFLOPS

GeForce GT 640M LE

0.289 TFLOPS

Radeon HD 6850M

VS

GeForce GT 640M LE

Graphics Card

Jan 2011

Release Date

May 2012

Vancouver

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

800 MHz

Memory Clock

785 MHz

Memory

1024MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

25.60GB/s

Bandwidth

50.24GB/s

Render Config

-

SM Count

2

10

Compute Units

-

800

Shading Units

96

40

TMUs

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

256 KB

Theoretical Performance

10.80 GPixel/s

Pixel Rate

3.012 GPixel/s

27.00 GTexel/s

Texture Rate

12.05 GTexel/s

-

FP16 (half)

-

1080 GFLOPS

FP32 (float)

289.0 GFLOPS

-

FP64 (double)

24.08 GFLOPS

Graphics Processor

Granville

GPU Name

GF108

Granville PRO

GPU Variant

-

TeraScale 2

Architecture

Fermi

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.04 billion

Transistors

0.585 billion

166 mm²

Die Size

116 mm²

Board Design

50W

TDP

32W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

5.0

Shader Model

5.1

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