AMD Radeon HD 7970 X2 vs NVIDIA GeForce 8600 GTS

VS

AMD Radeon HD 7970 X2

NVIDIA GeForce 8600 GTS

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 X2 and 256MB VRAM GeForce 8600 GTS to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970 X2 's Advantages

Released 5 years and 4 months late

More VRAM (3GB vs 256GB)

Larger VRAM bandwidth (264.0GB/s vs 32.00GB/s)

2016 additional rendering cores

NVIDIA GeForce 8600 GTS 's Advantages

Lower TDP (60W vs 500W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 X2 +3974%

3.789 TFLOPS

GeForce 8600 GTS

0.093 TFLOPS

Radeon HD 7970 X2

VS

GeForce 8600 GTS

Graphics Card

Aug 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

-

1375 MHz

Memory Clock

1000 MHz

Memory

3GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

128bit

264.0GB/s

Bandwidth

32.00GB/s

Render Config

32

Compute Units

-

SM Count

4

2048

Shading Units

32

128

TMUs

16

32

ROPs

8

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

32 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

5.400 GPixel/s

118.4 GTexel/s

Texture Rate

10.80 GTexel/s

-

3.789 TFLOPS

FP32 (float)

92.80 GFLOPS

947.2 GFLOPS

FP64 (double)

-

Board Design

500W

TDP

60W

900 W

Suggested PSU

250 W

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

Outputs

2x DVI 1x S-Video

3x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

New Zealand

GPU Name

G84

-

GPU Variant

G84-400-A2

GCN 1.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

4.313 billion

Transistors

0.289 billion

352 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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