NVIDIA GeForce 8600 GT Mac Edition vs AMD Radeon HD 7990

VS

NVIDIA GeForce 8600 GT Mac Edition AMD Radeon HD 7990

We compared two Desktop platform GPUs: 128MB VRAM GeForce 8600 GT Mac Edition and 3GB VRAM Radeon HD 7990 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8600 GT Mac Edition 's Advantages

Lower TDP (47W vs 375W)

AMD Radeon HD 7990 's Advantages

Released 6 years late

Boost Clock1000MHz

Larger VRAM bandwidth (288.0GB/s vs 24.00GB/s)

2016 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8600 GT Mac Edition

0.093 TFLOPS

Radeon HD 7990 +4304%

4.096 TFLOPS

GeForce 8600 GT Mac Edition

VS

Radeon HD 7990

Graphics Card

Apr 2007

Release Date

Apr 2013

GeForce 8

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

950 MHz

-

Boost Clock

1000 MHz

750 MHz

Memory Clock

1500 MHz

Memory

128MB

Memory Size

3GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

384bit

24.00GB/s

Bandwidth

288.0GB/s

Render Config

4

SM Count

-

Compute Units

32

Shading Units

2048

16

TMUs

128

8

ROPs

32

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per CU)

32 KB

L2 Cache

768 KB

Theoretical Performance

4.800 GPixel/s

Pixel Rate

32.00 GPixel/s

9.600 GTexel/s

Texture Rate

128.0 GTexel/s

-

FP16 (half)

-

92.80 GFLOPS

FP32 (float)

4.096 TFLOPS

-

FP64 (double)

1024 GFLOPS

Graphics Processor

G84

GPU Name

Malta

G84-303-A2

GPU Variant

Malta XT (215-0849026)

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

365 mm²

Board Design

47W

TDP

375W

200 W

Suggested PSU

750 W

2x DVI

Outputs

1x DVI 4x mini-DisplayPort 1.2

None

Power Connectors

2x 8-pin

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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