NVIDIA GeForce 8600M GS vs AMD Radeon HD 7870M

VS

NVIDIA GeForce 8600M GS

AMD Radeon HD 7870M

We compared two Mobile platform GPUs: 512MB VRAM GeForce 8600M GS and 2GB VRAM Radeon HD 7870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8600M GS 's Advantages

Lower TDP (20W vs 45W)

AMD Radeon HD 7870M 's Advantages

Released 4 years and 11 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (64.00GB/s vs 12.80GB/s)

624 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8600M GS

0.029 TFLOPS

Radeon HD 7870M +3431%

1.024 TFLOPS

GeForce 8600M GS

VS

Radeon HD 7870M

Graphics Card

May 2007

Release Date

Apr 2012

GeForce 8M

Generation

London

Mobile

Type

Mobile

MXM-II

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

400 MHz

Memory Clock

1000 MHz

Memory

512MB

Memory Size

2GB

DDR2

Memory Type

GDDR5

128bit

Memory Bus

128bit

12.80GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

10

1

SM Count

-

16

Shading Units

640

8

TMUs

40

4

ROPs

16

-

L1 Cache

16 KB (per CU)

32 KB

L2 Cache

256 KB

-

Theoretical Performance

1.800 GPixel/s

Pixel Rate

12.80 GPixel/s

3.600 GTexel/s

Texture Rate

32.00 GTexel/s

-

28.80 GFLOPS

FP32 (float)

1024 GFLOPS

-

FP64 (double)

64.00 GFLOPS

Board Design

20W

TDP

45W

-

No outputs

Outputs

No outputs

-

Graphics Processor

G86

GPU Name

Heathrow

G86-770-A2

GPU Variant

Heathrow XT (216-0835033)

Tesla

Architecture

GCN 1.0

TSMC

Foundry

TSMC

80 nm

Process Size

28 nm

0.21 billion

Transistors

1.5 billion

127 mm²

Die Size

123 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (11_1)

3.3

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

1.1

CUDA

-

4.0

Shader Model

5.1

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