NVIDIA GeForce GTX 850M vs AMD Radeon HD 7970M

VS

NVIDIA GeForce GTX 850M

AMD Radeon HD 7970M

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 850M and 2GB VRAM Radeon HD 7970M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 850M 's Advantages

Released 1 years and 11 months late

Lower TDP (45W vs 100W)

AMD Radeon HD 7970M 's Advantages

Larger VRAM bandwidth (153.6GB/s vs 32.03GB/s)

640 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 850M

1.155 TFLOPS

Radeon HD 7970M +88%

2.176 TFLOPS

GeForce GTX 850M

VS

Radeon HD 7970M

Graphics Card

Mar 2014

Release Date

Apr 2012

GeForce 800M

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

1001 MHz

Memory Clock

1200 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

32.03GB/s

Bandwidth

153.6GB/s

Render Config

-

Compute Units

20

-

640

Shading Units

1280

40

TMUs

80

16

ROPs

32

-

64 KB (per SMM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

512 KB

-

Theoretical Performance

14.43 GPixel/s

Pixel Rate

27.20 GPixel/s

36.08 GTexel/s

Texture Rate

68.00 GTexel/s

-

1155 GFLOPS

FP32 (float)

2.176 TFLOPS

36.08 GFLOPS

FP64 (double)

136.0 GFLOPS

Board Design

45W

TDP

100W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GM107

GPU Name

Wimbledon

N15P-GT-A1

GPU Variant

Wimbledon XT (216-0836036)

Maxwell

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.87 billion

Transistors

2.8 billion

148 mm²

Die Size

212 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

5.0

CUDA

-

5.1

Shader Model

5.1

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