NVIDIA GeForce GTX 860M vs AMD Radeon HD 8790M

VS

NVIDIA GeForce GTX 860M AMD Radeon HD 8790M

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 860M 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 860M 's Advantages

Released 9 months late

Boost Clock has increased by 21% (1085MHz vs 900MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (80.19GB/s vs 64.00GB/s)

256 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 860M +101%

1.389 TFLOPS

Radeon HD 8790M

0.691 TFLOPS

GeForce GTX 860M

VS

Radeon HD 8790M

Graphics Card

Jan 2014

Release Date

Apr 2013

GeForce 800M

Generation

Solar System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-A (3.0)

Clock Speeds

1020 MHz

Base Clock

850 MHz

1085 MHz

Boost Clock

900 MHz

1253 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

80.19GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

-

Compute Units

6

640

Shading Units

384

40

TMUs

24

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

64 KB (per SMM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

Theoretical Performance

17.36 GPixel/s

Pixel Rate

7.200 GPixel/s

43.40 GTexel/s

Texture Rate

21.60 GTexel/s

-

FP16 (half)

-

1389 GFLOPS

FP32 (float)

691.2 GFLOPS

43.40 GFLOPS

FP64 (double)

43.20 GFLOPS

Graphics Processor

GM107

GPU Name

Mars

N15P-GX-A1

GPU Variant

Mars M2 XTX (216-0842036)

Maxwell

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.87 billion

Transistors

0.95 billion

148 mm²

Die Size

77 mm²

Board Design

75W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

2.1 (1.2)

1.3

Vulkan

1.2.170

5.0

CUDA

-

5.1

Shader Model

6.5 (5.1)

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