AMD Radeon HD 7790 vs NVIDIA GeForce 8600 GT

VS

AMD Radeon HD 7790

NVIDIA GeForce 8600 GT

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7790 and 512MB VRAM GeForce 8600 GT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7790 's Advantages

Released 5 years and 11 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (96.00GB/s vs 22.40GB/s)

864 additional rendering cores

NVIDIA GeForce 8600 GT 's Advantages

Lower TDP (47W vs 85W)

Score

Benchmark

FP32 (float)

Radeon HD 7790 +2257%

1.792 TFLOPS

GeForce 8600 GT

0.076 TFLOPS

Radeon HD 7790

VS

GeForce 8600 GT

Graphics Card

Mar 2013

Release Date

Apr 2007

Southern Islands

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1500 MHz

Memory Clock

700 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

96.00GB/s

Bandwidth

22.40GB/s

Render Config

14

Compute Units

-

SM Count

4

896

Shading Units

32

56

TMUs

16

ROPs

8

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

32 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

4.320 GPixel/s

56.00 GTexel/s

Texture Rate

8.640 GTexel/s

-

1.792 TFLOPS

FP32 (float)

76.16 GFLOPS

112.0 GFLOPS

FP64 (double)

-

Board Design

85W

TDP

47W

250 W

Suggested PSU

200 W

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

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

None

Graphics Processor

Bonaire

GPU Name

G84

Bonaire XT (215-0839039)

GPU Variant

G84-303-A2

GCN 2.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

2.08 billion

Transistors

0.289 billion

160 mm²

Die Size

169 mm²

Graphics Features

12 (12_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

2.0

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.1

6.3

Shader Model

4.0

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