AMD Radeon HD 6970 vs NVIDIA GeForce GTX 780 Ti 6 GB

VS

AMD Radeon HD 6970

NVIDIA GeForce GTX 780 Ti 6 GB

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6970 and 6GB VRAM GeForce GTX 780 Ti 6 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 780 Ti 6 GB 's Advantages

Boost Clock928MHz

More VRAM (6GB vs 2GB)

Larger VRAM bandwidth (336.6GB/s vs 176.0GB/s)

1344 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6970

2.703 TFLOPS

GeForce GTX 780 Ti 6 GB +97%

5.345 TFLOPS

Radeon HD 6970

VS

GeForce GTX 780 Ti 6 GB

Graphics Card

Dec 2010

Release Date

Unknown

Northern Islands

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

875 MHz

-

Boost Clock

928 MHz

1375 MHz

Memory Clock

1753 MHz

Memory

2GB

Memory Size

6GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

176.0GB/s

Bandwidth

336.6GB/s

Render Config

24

Compute Units

-

1536

Shading Units

2880

96

TMUs

240

32

ROPs

48

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

1536 KB

-

Theoretical Performance

28.16 GPixel/s

Pixel Rate

55.68 GPixel/s

84.48 GTexel/s

Texture Rate

222.7 GTexel/s

-

2.703 TFLOPS

FP32 (float)

5.345 TFLOPS

675.8 GFLOPS

FP64 (double)

222.7 GFLOPS

Board Design

250W

TDP

250W

600 W

Suggested PSU

600 W

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

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Cayman

GPU Name

GK110B

Cayman XT (215-0807007)

GPU Variant

-

TeraScale 3

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

2.64 billion

Transistors

7.08 billion

389 mm²

Die Size

561 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.5

5.0

Shader Model

5.1

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