AMD Radeon RX 640 Mobile vs NVIDIA GeForce 8600M GT

VS

AMD Radeon RX 640 Mobile NVIDIA GeForce 8600M GT

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 640 Mobile and 512MB VRAM GeForce 8600M GT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 640 Mobile 's Advantages

Released 12 years late

Boost Clock1218MHz

Larger VRAM bandwidth (48.00GB/s vs 22.40GB/s)

608 additional rendering cores

NVIDIA GeForce 8600M GT 's Advantages

Lower TDP (20W vs 50W)

Score

Benchmark

FP32 (float)

Radeon RX 640 Mobile +2455%

1.559 TFLOPS

GeForce 8600M GT

0.061 TFLOPS

Radeon RX 640 Mobile

VS

GeForce 8600M GT

Graphics Card

May 2019

Release Date

May 2007

Mobility Radeon

Generation

GeForce 8M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-II

Clock Speeds

1082 MHz

Base Clock

-

1218 MHz

Boost Clock

-

1500 MHz

Memory Clock

700 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

64bit

Memory Bus

128bit

48.00GB/s

Bandwidth

22.40GB/s

Render Config

-

SM Count

4

10

Compute Units

-

640

Shading Units

32

40

TMUs

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

32 KB

Theoretical Performance

19.49 GPixel/s

Pixel Rate

3.800 GPixel/s

48.72 GTexel/s

Texture Rate

7.600 GTexel/s

1.559 TFLOPS

FP16 (half)

-

1.559 TFLOPS

FP32 (float)

60.80 GFLOPS

97.44 GFLOPS

FP64 (double)

-

Graphics Processor

Polaris 23

GPU Name

G84

Polaris 23 XT

GPU Variant

NB8P-GS

GCN 4.0

Architecture

Tesla

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

80 nm

2.2 billion

Transistors

0.289 billion

103 mm²

Die Size

169 mm²

Board Design

50W

TDP

20W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.1

6.4

Shader Model

4.0

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