NVIDIA GeForce GTX 680 vs AMD Radeon HD 7950 Boost

VS

NVIDIA GeForce GTX 680 AMD Radeon HD 7950 Boost

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 680 and 3GB VRAM Radeon HD 7950 Boost to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 680 's Advantages

Boost Clock has increased by 14% (1058MHz vs 925MHz)

Lower TDP (195W vs 200W)

AMD Radeon HD 7950 Boost 's Advantages

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (240.0GB/s vs 192.3GB/s)

256 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 680

3.25 TFLOPS

Radeon HD 7950 Boost +2%

3.315 TFLOPS

GeForce GTX 680

VS

Radeon HD 7950 Boost

Graphics Card

Mar 2012

Release Date

Jun 2012

GeForce 600

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1006 MHz

Base Clock

850 MHz

1058 MHz

Boost Clock

925 MHz

1502 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

192.3GB/s

Bandwidth

240.0GB/s

Render Config

-

SM Count

-

Compute Units

28

1536

Shading Units

1792

128

TMUs

112

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

768 KB

Theoretical Performance

33.86 GPixel/s

Pixel Rate

29.60 GPixel/s

135.4 GTexel/s

Texture Rate

103.6 GTexel/s

-

FP16 (half)

-

3.250 TFLOPS

FP32 (float)

3.315 TFLOPS

135.4 GFLOPS

FP64 (double)

828.8 GFLOPS

Graphics Processor

GK104

GPU Name

Tahiti

GK104-400-A2

GPU Variant

Tahiti PRO2 (215-0821282)

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

Board Design

195W

TDP

200W

450 W

Suggested PSU

550 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

2x 6-pin

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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