NVIDIA GeForce 8600 GTS vs AMD Radeon HD 7970

VS

NVIDIA GeForce 8600 GTS

AMD Radeon HD 7970

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

Main Differences

NVIDIA GeForce 8600 GTS 's Advantages

Lower TDP (60W vs 250W)

AMD Radeon HD 7970 's Advantages

Released 4 years and 8 months late

More VRAM (3GB vs 256GB)

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

2016 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8600 GTS

0.093 TFLOPS

Radeon HD 7970 +3974%

3.789 TFLOPS

GeForce 8600 GTS

VS

Radeon HD 7970

Graphics Card

Apr 2007

Release Date

Dec 2011

GeForce 8

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

1375 MHz

Memory

256MB

Memory Size

3GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

384bit

32.00GB/s

Bandwidth

264.0GB/s

Render Config

-

Compute Units

32

4

SM Count

-

32

Shading Units

2048

16

TMUs

128

8

ROPs

32

-

L1 Cache

16 KB (per CU)

32 KB

L2 Cache

768 KB

-

Theoretical Performance

5.400 GPixel/s

Pixel Rate

29.60 GPixel/s

10.80 GTexel/s

Texture Rate

118.4 GTexel/s

-

92.80 GFLOPS

FP32 (float)

3.789 TFLOPS

-

FP64 (double)

947.2 GFLOPS

Board Design

60W

TDP

250W

250 W

Suggested PSU

600 W

2x DVI 1x S-Video

Outputs

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

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

G84

GPU Name

Tahiti

G84-400-A2

GPU Variant

Tahiti XT (215-0821060)

Tesla

Architecture

GCN 1.0

TSMC

Foundry

TSMC

80 nm

Process Size

28 nm

0.289 billion

Transistors

4.313 billion

169 mm²

Die Size

352 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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