AMD Radeon R9 M275 vs NVIDIA GeForce 8400M GT

VS

AMD Radeon R9 M275

NVIDIA GeForce 8400M GT

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M275 and 512MB VRAM GeForce 8400M GT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M275 's Advantages

Released 6 years and 8 months late

Boost Clock925MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (64.00GB/s vs 19.20GB/s)

624 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M275 +3982%

1.184 TFLOPS

GeForce 8400M GT

0.029 TFLOPS

Radeon R9 M275

VS

GeForce 8400M GT

Graphics Card

Jan 2014

Release Date

May 2007

Gem System

Generation

GeForce 8M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

900 MHz

Base Clock

-

925 MHz

Boost Clock

-

1000 MHz

Memory Clock

600 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

19.20GB/s

Render Config

10

Compute Units

-

SM Count

2

640

Shading Units

16

40

TMUs

8

16

ROPs

4

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

32 KB

-

Theoretical Performance

14.80 GPixel/s

Pixel Rate

1.800 GPixel/s

37.00 GTexel/s

Texture Rate

3.600 GTexel/s

-

1184 GFLOPS

FP32 (float)

28.80 GFLOPS

74.00 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

14W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Venus

GPU Name

G86

Venus XTX (216-0846033)

GPU Variant

G86-603-A2

GCN 1.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

1.5 billion

Transistors

0.21 billion

123 mm²

Die Size

127 mm²

Graphics Features

12 (11_1)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

2.1 (1.2)

OpenCL

1.1

1.2.170

Vulkan

N/A

-

CUDA

1.1

6.5 (5.1)

Shader Model

4.0

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