NVIDIA GeForce GTX 970M vs AMD Radeon HD 8790M

VS

NVIDIA GeForce GTX 970M

AMD Radeon HD 8790M

We compared two Mobile platform GPUs: 3GB VRAM GeForce GTX 970M and 2GB VRAM Radeon HD 8790M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 970M 's Advantages

Released 1 years and 6 months late

Boost Clock has increased by 15% (1038MHz vs 900MHz)

More VRAM (3GB vs 2GB)

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

896 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 970M +284%

2.657 TFLOPS

Radeon HD 8790M

0.691 TFLOPS

GeForce GTX 970M

VS

Radeon HD 8790M

Graphics Card

Oct 2014

Release Date

Apr 2013

GeForce 900M

Generation

Solar System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-A (3.0)

Clock Speeds

924 MHz

Base Clock

850 MHz

1038 MHz

Boost Clock

900 MHz

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

6

-

1280

Shading Units

384

80

TMUs

24

48

ROPs

8

-

48 KB (per SMM)

L1 Cache

16 KB (per CU)

1536 KB

L2 Cache

256 KB

-

Theoretical Performance

49.82 GPixel/s

Pixel Rate

7.200 GPixel/s

83.04 GTexel/s

Texture Rate

21.60 GTexel/s

-

2.657 TFLOPS

FP32 (float)

691.2 GFLOPS

83.04 GFLOPS

FP64 (double)

43.20 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

GM204

GPU Name

Mars

N16E-GT-A2

GPU Variant

Mars M2 XTX (216-0842036)

Maxwell 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5.2 billion

Transistors

0.95 billion

398 mm²

Die Size

77 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

2.1 (1.2)

1.3

Vulkan

1.2.170

5.2

CUDA

-

6.7 (6.4)

Shader Model

6.5 (5.1)

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