AMD Radeon HD 7970 X2 vs NVIDIA GeForce GTX 780 Ti

VS

AMD Radeon HD 7970 X2

NVIDIA GeForce GTX 780 Ti

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 X2 and 3GB VRAM GeForce GTX 780 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 780 Ti 's Advantages

Released 1 years and 3 months late

Boost Clock928MHz

Larger VRAM bandwidth (336.6GB/s vs 264.0GB/s)

832 additional rendering cores

Lower TDP (250W vs 500W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 X2

3.789 TFLOPS

GeForce GTX 780 Ti +41%

5.345 TFLOPS

Radeon HD 7970 X2

VS

GeForce GTX 780 Ti

Graphics Card

Aug 2012

Release Date

Nov 2013

Southern Islands

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

875 MHz

-

Boost Clock

928 MHz

1375 MHz

Memory Clock

1753 MHz

Memory

3GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

384bit

264.0GB/s

Bandwidth

336.6GB/s

Render Config

32

Compute Units

-

2048

Shading Units

2880

128

TMUs

240

32

ROPs

48

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

768 KB

L2 Cache

1536 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

55.68 GPixel/s

118.4 GTexel/s

Texture Rate

222.7 GTexel/s

-

3.789 TFLOPS

FP32 (float)

5.345 TFLOPS

947.2 GFLOPS

FP64 (double)

222.7 GFLOPS

Board Design

500W

TDP

250W

900 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

3x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

New Zealand

GPU Name

GK110B

-

GPU Variant

GK110-425-B1

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

7.08 billion

352 mm²

Die Size

561 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.5

5.1

Shader Model

5.1

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