NVIDIA GeForce GTX 970M vs AMD Radeon HD 7850M

VS

NVIDIA GeForce GTX 970M

AMD Radeon HD 7850M

We compared two Mobile platform GPUs: 3GB VRAM GeForce GTX 970M and 2GB VRAM Radeon HD 7850M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 970M 's Advantages

Released 2 years and 6 months late

Boost Clock1038MHz

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (120.3GB/s vs 64.00GB/s)

640 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 970M +207%

2.657 TFLOPS

Radeon HD 7850M

0.864 TFLOPS

GeForce GTX 970M

VS

Radeon HD 7850M

Graphics Card

Oct 2014

Release Date

Apr 2012

GeForce 900M

Generation

London

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

924 MHz

Base Clock

-

1038 MHz

Boost Clock

-

1253 MHz

Memory Clock

1000 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

128bit

120.3GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

10

-

1280

Shading Units

640

80

TMUs

40

48

ROPs

16

-

48 KB (per SMM)

L1 Cache

16 KB (per CU)

1536 KB

L2 Cache

256 KB

-

Theoretical Performance

49.82 GPixel/s

Pixel Rate

10.80 GPixel/s

83.04 GTexel/s

Texture Rate

27.00 GTexel/s

-

2.657 TFLOPS

FP32 (float)

864.0 GFLOPS

83.04 GFLOPS

FP64 (double)

54.00 GFLOPS

Board Design

Unknown

TDP

40W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GM204

GPU Name

Heathrow

N16E-GT-A2

GPU Variant

Heathrow PRO

Maxwell 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5.2 billion

Transistors

1.5 billion

398 mm²

Die Size

123 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

5.2

CUDA

-

6.7 (6.4)

Shader Model

5.1

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