NVIDIA GeForce GTX 680 vs AMD Radeon HD 7790

VS

NVIDIA GeForce GTX 680

AMD Radeon HD 7790

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 680 and 1024MB VRAM Radeon HD 7790 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 680 's Advantages

Boost Clock1058MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (192.3GB/s vs 96.00GB/s)

640 additional rendering cores

AMD Radeon HD 7790 's Advantages

Released 1 years late

Lower TDP (85W vs 195W)

Score

Benchmark

FP32 (float)

GeForce GTX 680 +81%

3.25 TFLOPS

Radeon HD 7790

1.792 TFLOPS

GeForce GTX 680

VS

Radeon HD 7790

Graphics Card

Mar 2012

Release Date

Mar 2013

GeForce 600

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1006 MHz

Base Clock

-

1058 MHz

Boost Clock

-

1502 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

192.3GB/s

Bandwidth

96.00GB/s

Render Config

-

Compute Units

14

-

1536

Shading Units

896

128

TMUs

56

32

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

33.86 GPixel/s

Pixel Rate

16.00 GPixel/s

135.4 GTexel/s

Texture Rate

56.00 GTexel/s

-

3.250 TFLOPS

FP32 (float)

1.792 TFLOPS

135.4 GFLOPS

FP64 (double)

112.0 GFLOPS

Board Design

195W

TDP

85W

450 W

Suggested PSU

250 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

Graphics Processor

GK104

GPU Name

Bonaire

GK104-400-A2

GPU Variant

Bonaire XT (215-0839039)

Kepler

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

2.08 billion

294 mm²

Die Size

160 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

6.3

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