AMD Radeon HD 7970 vs NVIDIA GeForce GTX 780 Rev. 2

VS

AMD Radeon HD 7970

NVIDIA GeForce GTX 780 Rev. 2

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 and 3GB VRAM GeForce GTX 780 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 780 Rev. 2 's Advantages

Released 1 years and 9 months late

Boost Clock902MHz

Larger VRAM bandwidth (288.4GB/s vs 264.0GB/s)

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7970

3.789 TFLOPS

GeForce GTX 780 Rev. 2 +9%

4.156 TFLOPS

Radeon HD 7970

VS

GeForce GTX 780 Rev. 2

Graphics Card

Dec 2011

Release Date

Sep 2013

Southern Islands

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

863 MHz

-

Boost Clock

902 MHz

1375 MHz

Memory Clock

1502 MHz

Memory

3GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

384bit

264.0GB/s

Bandwidth

288.4GB/s

Render Config

32

Compute Units

-

2048

Shading Units

2304

128

TMUs

192

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

43.30 GPixel/s

118.4 GTexel/s

Texture Rate

173.2 GTexel/s

-

3.789 TFLOPS

FP32 (float)

4.156 TFLOPS

947.2 GFLOPS

FP64 (double)

173.2 GFLOPS

Board Design

250W

TDP

250W

600 W

Suggested PSU

600 W

1x 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

Tahiti

GPU Name

GK110B

Tahiti XT (215-0821060)

GPU Variant

GK110-300-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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