GeForce GTX 780 vs Radeon HD 6970

VS

NVIDIA GeForce GTX 780

AMD Radeon HD 6970

We compared two Desktop platform GPUs: 3GB VRAM GeForce GTX 780 and 2GB VRAM Radeon HD 6970 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

GeForce GTX 780 's Advantages

Released 2 years and 5 months late

Boost Clock902MHz

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (288.4GB/s vs 176.0GB/s)

768 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 780 +53%

4156

Radeon HD 6970

2703

GeForce GTX 780

VS

Radeon HD 6970

Graphics Card

May 2013

Release Date

Dec 2010

GeForce 700

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

863 MHz

Base Clock

-

902 MHz

Boost Clock

-

1502 MHz

Memory Clock

1375 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

288.4GB/s

Bandwidth

176.0GB/s

Render Config

-

Compute Units

24

2304

Shading Units

1536

192

TMUs

96

48

ROPs

32

16 KB (per SMX)

L1 Cache

8 KB (per CU)

1536 KB

L2 Cache

512 KB

Theoretical Performance

43.30 GPixel/s

Pixel Rate

28.16 GPixel/s

173.2 GTexel/s

Texture Rate

84.48 GTexel/s

4.156 TFLOPS

FP32 (float)

2.703 TFLOPS

173.2 GFLOPS

FP64 (double)

675.8 GFLOPS

Board Design

250W

TDP

250W

600 W

Suggested PSU

600 W

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

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GK110

GPU Name

Cayman

GK110-300-A1

GPU Variant

Cayman XT (215-0807007)

Kepler

Architecture

TeraScale 3

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

7.08 billion

Transistors

2.64 billion

561 mm²

Die Size

389 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.1

Vulkan

N/A

3.5

CUDA

-

5.1

Shader Model

5.0

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