NVIDIA GeForce GTX 680 Mac Edition vs AMD Radeon HD 7970 GHz Edition

VS

NVIDIA GeForce GTX 680 Mac Edition

AMD Radeon HD 7970 GHz Edition

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 680 Mac Edition and 3GB VRAM Radeon HD 7970 GHz Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 680 Mac Edition 's Advantages

Released 10 months late

Boost Clock has increased by 1% (1058MHz vs 1050MHz)

Lower TDP (195W vs 300W)

AMD Radeon HD 7970 GHz Edition 's Advantages

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (288.0GB/s vs 192.3GB/s)

512 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 680 Mac Edition

3.25 TFLOPS

Radeon HD 7970 GHz Edition +32%

4.301 TFLOPS

GeForce GTX 680 Mac Edition

VS

Radeon HD 7970 GHz Edition

Graphics Card

Apr 2013

Release Date

Jun 2012

GeForce 600

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1006 MHz

Base Clock

1000 MHz

1058 MHz

Boost Clock

1050 MHz

1502 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

192.3GB/s

Bandwidth

288.0GB/s

Render Config

-

Compute Units

32

-

1536

Shading Units

2048

128

TMUs

128

32

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

768 KB

-

Theoretical Performance

33.86 GPixel/s

Pixel Rate

33.60 GPixel/s

135.4 GTexel/s

Texture Rate

134.4 GTexel/s

-

3.250 TFLOPS

FP32 (float)

4.301 TFLOPS

135.4 GFLOPS

FP64 (double)

1075 GFLOPS

Board Design

195W

TDP

300W

450 W

Suggested PSU

700 W

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

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GK104

GPU Name

Tahiti

GK104-400-A2

GPU Variant

Tahiti XT2 (215-0821065)

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

4.313 billion

294 mm²

Die Size

352 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

5.1

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