NVIDIA GeForce 8600 GT vs AMD Radeon R9 390

VS

NVIDIA GeForce 8600 GT

AMD Radeon R9 390

We compared two Desktop platform GPUs: 512MB VRAM GeForce 8600 GT and 8GB VRAM Radeon R9 390 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8600 GT 's Advantages

Lower TDP (47W vs 275W)

AMD Radeon R9 390 's Advantages

Released 8 years and 2 months late

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (384.0GB/s vs 22.40GB/s)

2528 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8600 GT

0.076 TFLOPS

Radeon R9 390 +6636%

5.12 TFLOPS

GeForce 8600 GT

VS

Radeon R9 390

Graphics Card

Apr 2007

Release Date

Jun 2015

GeForce 8

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

700 MHz

Memory Clock

1500 MHz

Memory

512MB

Memory Size

8GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

512bit

22.40GB/s

Bandwidth

384.0GB/s

Render Config

-

Compute Units

40

4

SM Count

-

32

Shading Units

2560

16

TMUs

160

8

ROPs

64

-

L1 Cache

16 KB (per CU)

32 KB

L2 Cache

1024 KB

-

Theoretical Performance

4.320 GPixel/s

Pixel Rate

64.00 GPixel/s

8.640 GTexel/s

Texture Rate

160.0 GTexel/s

-

76.16 GFLOPS

FP32 (float)

5.120 TFLOPS

-

FP64 (double)

640.0 GFLOPS

Board Design

47W

TDP

275W

200 W

Suggested PSU

600 W

2x DVI 1x S-Video

Outputs

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

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

G84

GPU Name

Grenada

G84-303-A2

GPU Variant

Grenada PRO (215-0880030)

Tesla

Architecture

GCN 2.0

TSMC

Foundry

TSMC

80 nm

Process Size

28 nm

0.289 billion

Transistors

6.2 billion

169 mm²

Die Size

438 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (12_0)

3.3

OpenGL

4.6

1.1

OpenCL

2.0

N/A

Vulkan

1.2

1.1

CUDA

-

4.0

Shader Model

6.3

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