AMD Radeon HD 8870 OEM vs NVIDIA GeForce 8600 GTS Mac Edition

VS

AMD Radeon HD 8870 OEM

NVIDIA GeForce 8600 GTS Mac Edition

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 8870 OEM and 512MB VRAM GeForce 8600 GTS Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8870 OEM 's Advantages

Released 5 years and 4 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (153.6GB/s vs 32.26GB/s)

1248 additional rendering cores

NVIDIA GeForce 8600 GTS Mac Edition 's Advantages

Lower TDP (75W vs 175W)

Score

Benchmark

FP32 (float)

Radeon HD 8870 OEM +2652%

2.56 TFLOPS

GeForce 8600 GTS Mac Edition

0.093 TFLOPS

Radeon HD 8870 OEM

VS

GeForce 8600 GTS Mac Edition

Graphics Card

Jan 2013

Release Date

Sep 2007

Sea Islands

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

1008 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

32.26GB/s

Render Config

20

Compute Units

-

SM Count

4

1280

Shading Units

32

80

TMUs

16

32

ROPs

8

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

32 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

5.400 GPixel/s

80.00 GTexel/s

Texture Rate

10.80 GTexel/s

-

2.560 TFLOPS

FP32 (float)

92.80 GFLOPS

160.0 GFLOPS

FP64 (double)

-

Board Design

175W

TDP

75W

450 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

2x DVI

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Pitcairn

GPU Name

G84

Pitcairn XT (215-0828047)

GPU Variant

G84-400-A2

GCN 1.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

2.8 billion

Transistors

0.289 billion

212 mm²

Die Size

169 mm²

Graphics Features

12 (11_1)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.1

5.1

Shader Model

4.0

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