NVIDIA GeForce GTX 675MX vs AMD Radeon HD 8870M

VS

NVIDIA GeForce GTX 675MX AMD Radeon HD 8870M

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 675MX and 2GB VRAM Radeon HD 8870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 675MX 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 72.00GB/s)

320 additional rendering cores

AMD Radeon HD 8870M 's Advantages

Released 6 months late

Boost Clock775MHz

Score

Benchmark

FP32 (float)

GeForce GTX 675MX +26%

1.256 TFLOPS

Radeon HD 8870M

0.992 TFLOPS

GeForce GTX 675MX

VS

Radeon HD 8870M

Graphics Card

Oct 2012

Release Date

Apr 2013

GeForce 600M

Generation

Solar System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

725 MHz

-

Boost Clock

775 MHz

900 MHz

Memory Clock

1125 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

72.00GB/s

Render Config

-

SM Count

-

Compute Units

10

960

Shading Units

640

80

TMUs

40

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

Theoretical Performance

13.08 GPixel/s

Pixel Rate

12.40 GPixel/s

52.32 GTexel/s

Texture Rate

31.00 GTexel/s

-

FP16 (half)

-

1256 GFLOPS

FP32 (float)

992.0 GFLOPS

52.32 GFLOPS

FP64 (double)

62.00 GFLOPS

Graphics Processor

GK104

GPU Name

Venus

N13E-GSR-A2

GPU Variant

Venus XT (216-0846000)

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

1.5 billion

294 mm²

Die Size

123 mm²

Board Design

100W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

2.1 (1.2)

1.1

Vulkan

1.2.170

3.0

CUDA

-

5.1

Shader Model

6.5 (5.1)

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