AMD Radeon R9 285X vs NVIDIA GeForce GTX 680 Mac Edition

VS

AMD Radeon R9 285X

NVIDIA GeForce GTX 680 Mac Edition

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 285X and 2GB VRAM GeForce GTX 680 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 285X 's Advantages

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (264.0GB/s vs 192.3GB/s)

512 additional rendering cores

NVIDIA GeForce GTX 680 Mac Edition 's Advantages

Boost Clock1058MHz

Lower TDP (195W vs 200W)

Score

Benchmark

FP32 (float)

Radeon R9 285X +26%

4.104 TFLOPS

GeForce GTX 680 Mac Edition

3.25 TFLOPS

Radeon R9 285X

VS

GeForce GTX 680 Mac Edition

Graphics Card

Unknown

Release Date

Apr 2013

Volcanic Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

1006 MHz

-

Boost Clock

1058 MHz

1375 MHz

Memory Clock

1502 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

264.0GB/s

Bandwidth

192.3GB/s

Render Config

32

Compute Units

-

2048

Shading Units

1536

128

TMUs

128

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

768 KB

L2 Cache

512 KB

-

Theoretical Performance

32.06 GPixel/s

Pixel Rate

33.86 GPixel/s

128.3 GTexel/s

Texture Rate

135.4 GTexel/s

-

4.104 TFLOPS

FP32 (float)

3.250 TFLOPS

-

FP64 (double)

135.4 GFLOPS

Board Design

200W

TDP

195W

550 W

Suggested PSU

450 W

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

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Tonga

GPU Name

GK104

Tonga XT (215-0851313)

GPU Variant

GK104-400-A2

GCN 3.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5 billion

Transistors

3.54 billion

366 mm²

Die Size

294 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

6.3

Shader Model

5.1

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