AMD Radeon HD 7950M vs NVIDIA GeForce GTX 870M

VS

AMD Radeon HD 7950M NVIDIA GeForce GTX 870M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7950M and 3GB VRAM GeForce GTX 870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950M 's Advantages

Larger VRAM bandwidth (128.0GB/s vs 120.0GB/s)

Lower TDP (75W vs 100W)

NVIDIA GeForce GTX 870M 's Advantages

Released 1 years and 11 months late

Boost Clock967MHz

More VRAM (3GB vs 2GB)

64 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7950M

1.792 TFLOPS

GeForce GTX 870M +45%

2.599 TFLOPS

Radeon HD 7950M

VS

GeForce GTX 870M

Graphics Card

Apr 2012

Release Date

Mar 2014

London

Generation

GeForce 800M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

941 MHz

-

Boost Clock

967 MHz

1000 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

192bit

128.0GB/s

Bandwidth

120.0GB/s

Render Config

-

SM Count

-

20

Compute Units

-

1280

Shading Units

1344

80

TMUs

112

32

ROPs

24

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

384 KB

Theoretical Performance

22.40 GPixel/s

Pixel Rate

27.08 GPixel/s

56.00 GTexel/s

Texture Rate

108.3 GTexel/s

-

FP16 (half)

-

1.792 TFLOPS

FP32 (float)

2.599 TFLOPS

-

FP64 (double)

108.3 GFLOPS

Graphics Processor

Wimbledon

GPU Name

GK104

Wimbledon PRO

GPU Variant

N15E-GT-A2

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

3.54 billion

212 mm²

Die Size

294 mm²

Board Design

75W

TDP

100W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

5.1

Shader Model

5.1

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