AMD Radeon RX 7900 XT vs NVIDIA GeForce 8600 GT Mac Edition

VS

AMD Radeon RX 7900 XT

NVIDIA GeForce 8600 GT Mac Edition

We compared two Desktop platform GPUs: 20GB VRAM Radeon RX 7900 XT 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 RX 7900 XT 's Advantages

Released 15 years and 7 months late

Boost Clock2394MHz

More VRAM (20GB vs 128GB)

Larger VRAM bandwidth (800.0GB/s vs 24.00GB/s)

5344 additional rendering cores

NVIDIA GeForce 8600 GT Mac Edition 's Advantages

Lower TDP (47W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 XT +55254%

51.48 TFLOPS

GeForce 8600 GT Mac Edition

0.093 TFLOPS

Radeon RX 7900 XT

VS

GeForce 8600 GT Mac Edition

Graphics Card

Nov 2022

Release Date

Apr 2007

Navi III

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

1387 MHz

Base Clock

-

2394 MHz

Boost Clock

-

2500 MHz

Memory Clock

750 MHz

Memory

20GB

Memory Size

128MB

GDDR6

Memory Type

GDDR3

320bit

Memory Bus

128bit

800.0GB/s

Bandwidth

24.00GB/s

Render Config

84

Compute Units

-

SM Count

4

5376

Shading Units

32

336

TMUs

16

192

ROPs

8

-

84

RT Cores

-

256 KB per Array

L1 Cache

-

6 MB

L2 Cache

32 KB

80 MB

L3 Cache

-

Theoretical Performance

459.6 GPixel/s

Pixel Rate

4.800 GPixel/s

804.4 GTexel/s

Texture Rate

9.600 GTexel/s

103.0 TFLOPS

FP16 (half)

-

51.48 TFLOPS

FP32 (float)

92.80 GFLOPS

1.609 TFLOPS

FP64 (double)

-

Board Design

300W

TDP

47W

700 W

Suggested PSU

200 W

1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C

Outputs

2x DVI

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 31

GPU Name

G84

Navi 31 XT (215-145000156)

GPU Variant

G84-303-A2

RDNA 3.0

Architecture

Tesla

TSMC

Foundry

TSMC

5 nm

Process Size

80 nm

57.7 billion

Transistors

0.289 billion

529 mm²

Die Size

169 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

2.2

OpenCL

1.1

1.3

Vulkan

N/A

-

CUDA

1.1

6.7

Shader Model

4.0

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