AMD Radeon R9 285 vs NVIDIA GeForce 8800 GT Mac Edition

VS

AMD Radeon R9 285

NVIDIA GeForce 8800 GT Mac Edition

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 285 and 512MB VRAM GeForce 8800 GT Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 285 's Advantages

Released 6 years and 7 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (176.0GB/s vs 57.60GB/s)

1680 additional rendering cores

NVIDIA GeForce 8800 GT Mac Edition 's Advantages

Lower TDP (125W vs 190W)

Score

Benchmark

FP32 (float)

Radeon R9 285 +879%

3.29 TFLOPS

GeForce 8800 GT Mac Edition

0.336 TFLOPS

Radeon R9 285

VS

GeForce 8800 GT Mac Edition

Graphics Card

Sep 2014

Release Date

Feb 2008

Volcanic Islands

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

176.0GB/s

Bandwidth

57.60GB/s

Render Config

28

Compute Units

-

SM Count

14

1792

Shading Units

112

TMUs

56

32

ROPs

16

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

64 KB

-

Theoretical Performance

29.38 GPixel/s

Pixel Rate

9.600 GPixel/s

102.8 GTexel/s

Texture Rate

33.60 GTexel/s

3.290 TFLOPS

FP16 (half)

-

3.290 TFLOPS

FP32 (float)

336.0 GFLOPS

205.6 GFLOPS

FP64 (double)

-

Board Design

190W

TDP

125W

450 W

Suggested PSU

300 W

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

Outputs

2x DVI

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Tonga

GPU Name

G92

Tonga PRO (215-0851128)

GPU Variant

G92-270-A2

GCN 3.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

5 billion

Transistors

0.754 billion

366 mm²

Die Size

324 mm²

Graphics Features

12 (12_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.2.170

Vulkan

N/A

-

CUDA

1.1

6.5

Shader Model

4.0

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