AMD Radeon R9 M265X vs NVIDIA GeForce 8400M G

VS

AMD Radeon R9 M265X

NVIDIA GeForce 8400M G

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M265X and 256MB VRAM GeForce 8400M G to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M265X 's Advantages

Released 6 years and 10 months late

Boost Clock625MHz

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (64.00GB/s vs 6.400GB/s)

632 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M265X +6053%

0.8 TFLOPS

GeForce 8400M G

0.013 TFLOPS

Radeon R9 M265X

VS

GeForce 8400M G

Graphics Card

Mar 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

575 MHz

Base Clock

-

625 MHz

Boost Clock

-

1000 MHz

Memory Clock

400 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

64bit

64.00GB/s

Bandwidth

6.400GB/s

Render Config

10

Compute Units

-

SM Count

1

640

Shading Units

8

40

TMUs

8

16

ROPs

4

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

16 KB

-

Theoretical Performance

10.00 GPixel/s

Pixel Rate

1.600 GPixel/s

25.00 GTexel/s

Texture Rate

3.200 GTexel/s

-

800.0 GFLOPS

FP32 (float)

12.80 GFLOPS

50.00 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

10W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Venus

GPU Name

G86

Venus PRO (216-0846009)

GPU Variant

NB8M-SE

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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