AMD Radeon HD 7870 GHz Edition vs NVIDIA GeForce 8600 GT Mac Edition

VS

AMD Radeon HD 7870 GHz Edition NVIDIA GeForce 8600 GT Mac Edition

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 GHz Edition and 128MB VRAM GeForce 8600 GT Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7870 GHz Edition 's Advantages

Released 4 years and 11 months late

Larger VRAM bandwidth (153.6GB/s vs 24.00GB/s)

1248 additional rendering cores

NVIDIA GeForce 8600 GT Mac Edition 's Advantages

Lower TDP (47W vs 175W)

Score

Benchmark

FP32 (float)

Radeon HD 7870 GHz Edition +2652%

2.56 TFLOPS

GeForce 8600 GT Mac Edition

0.093 TFLOPS

Radeon HD 7870 GHz Edition

VS

GeForce 8600 GT Mac Edition

Graphics Card

Mar 2012

Release Date

Apr 2007

Southern Islands

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1200 MHz

Memory Clock

750 MHz

Memory

2GB

Memory Size

128MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

24.00GB/s

Render Config

-

SM Count

4

20

Compute Units

-

1280

Shading Units

32

80

TMUs

16

32

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

32 KB

Theoretical Performance

32.00 GPixel/s

Pixel Rate

4.800 GPixel/s

80.00 GTexel/s

Texture Rate

9.600 GTexel/s

-

FP16 (half)

-

2.560 TFLOPS

FP32 (float)

92.80 GFLOPS

160.0 GFLOPS

FP64 (double)

-

Graphics Processor

Pitcairn

GPU Name

G84

Pitcairn XT (215-0828047)

GPU Variant

G84-303-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

Board Design

175W

TDP

47W

450 W

Suggested PSU

200 W

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

Outputs

2x DVI

2x 6-pin

Power Connectors

None

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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