AMD Radeon Pro 555X vs NVIDIA GeForce 8600M GT Mac Edition

VS

AMD Radeon Pro 555X

NVIDIA GeForce 8600M GT Mac Edition

We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro 555X and 512MB VRAM GeForce 8600M GT Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 555X 's Advantages

Released 10 years and 9 months late

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (94.08GB/s vs 20.32GB/s)

736 additional rendering cores

NVIDIA GeForce 8600M GT Mac Edition 's Advantages

Lower TDP (20W vs 75W)

Score

Benchmark

FP32 (float)

Radeon Pro 555X +2221%

1.393 TFLOPS

GeForce 8600M GT Mac Edition

0.06 TFLOPS

Radeon Pro 555X

VS

GeForce 8600M GT Mac Edition

Graphics Card

Jul 2018

Release Date

Oct 2007

Radeon Pro Mac

Generation

GeForce 8M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-II

Clock Speeds

-

1470 MHz

Memory Clock

635 MHz

Memory

4GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

94.08GB/s

Bandwidth

20.32GB/s

Render Config

12

Compute Units

-

SM Count

4

768

Shading Units

32

48

TMUs

16

ROPs

8

-

16 KB (per CU)

L1 Cache

-

1024 KB

L2 Cache

32 KB

-

Theoretical Performance

14.51 GPixel/s

Pixel Rate

3.760 GPixel/s

43.54 GTexel/s

Texture Rate

7.520 GTexel/s

1393 GFLOPS

FP16 (half)

-

1393 GFLOPS

FP32 (float)

60.16 GFLOPS

87.07 GFLOPS

FP64 (double)

-

Board Design

75W

TDP

20W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Polaris 21

GPU Name

G84

Polaris 21 PRO

GPU Variant

NB8P-GS

GCN 4.0

Architecture

Tesla

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

80 nm

3 billion

Transistors

0.289 billion

123 mm²

Die Size

169 mm²

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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