AMD Radeon HD 6870M vs NVIDIA GeForce GTX 675M

VS

AMD Radeon HD 6870M NVIDIA GeForce GTX 675M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6870M and 2GB VRAM GeForce GTX 675M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870M 's Advantages

416 additional rendering cores

Lower TDP (50W vs 100W)

NVIDIA GeForce GTX 675M 's Advantages

Released 1 years and 2 months late

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (96.00GB/s vs 64.00GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 6870M +13%

1.08 TFLOPS

GeForce GTX 675M

0.952 TFLOPS

Radeon HD 6870M

VS

GeForce GTX 675M

Graphics Card

Jan 2011

Release Date

Mar 2012

Vancouver

Generation

GeForce 600M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

-

Boost Clock

-

1000 MHz

Memory Clock

750 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

96.00GB/s

Render Config

-

SM Count

8

10

Compute Units

-

800

Shading Units

384

40

TMUs

64

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

512 KB

Theoretical Performance

10.80 GPixel/s

Pixel Rate

9.920 GPixel/s

27.00 GTexel/s

Texture Rate

39.68 GTexel/s

-

FP16 (half)

-

1080 GFLOPS

FP32 (float)

952.3 GFLOPS

-

FP64 (double)

79.36 GFLOPS

Graphics Processor

Granville

GPU Name

GF114

Granville XT (216-0769024)

GPU Variant

N13E-GS1-A1

TeraScale 2

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.04 billion

Transistors

1.95 billion

166 mm²

Die Size

332 mm²

Board Design

50W

TDP

100W

-

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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