NVIDIA GeForce GTX 780 Ti Engineering Sample vs AMD Radeon HD 7970 GHz Edition

VS

NVIDIA GeForce GTX 780 Ti Engineering Sample

AMD Radeon HD 7970 GHz Edition

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

Main Differences

NVIDIA GeForce GTX 780 Ti Engineering Sample 's Advantages

Larger VRAM bandwidth (336.6GB/s vs 288.0GB/s)

832 additional rendering cores

Lower TDP (250W vs 300W)

AMD Radeon HD 7970 GHz Edition 's Advantages

Boost Clock has increased by 13% (1050MHz vs 928MHz)

Score

Benchmark

FP32 (float)

GeForce GTX 780 Ti Engineering Sample +24%

5.345 TFLOPS

Radeon HD 7970 GHz Edition

4.301 TFLOPS

GeForce GTX 780 Ti Engineering Sample

VS

Radeon HD 7970 GHz Edition

Graphics Card

Unknown

Release Date

Jun 2012

GeForce 700

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

875 MHz

Base Clock

1000 MHz

928 MHz

Boost Clock

1050 MHz

1753 MHz

Memory Clock

1500 MHz

Memory

3GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

384bit

336.6GB/s

Bandwidth

288.0GB/s

Render Config

-

Compute Units

32

-

2880

Shading Units

2048

240

TMUs

128

48

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

1536 KB

L2 Cache

768 KB

-

Theoretical Performance

55.68 GPixel/s

Pixel Rate

33.60 GPixel/s

222.7 GTexel/s

Texture Rate

134.4 GTexel/s

-

5.345 TFLOPS

FP32 (float)

4.301 TFLOPS

222.7 GFLOPS

FP64 (double)

1075 GFLOPS

Board Design

250W

TDP

300W

600 W

Suggested PSU

700 W

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

Outputs

1x 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

GK180

GPU Name

Tahiti

GK180-425-A1

GPU Variant

Tahiti XT2 (215-0821065)

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

7.08 billion

Transistors

4.313 billion

561 mm²

Die Size

352 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.2.175

Vulkan

1.2

3.5

CUDA

-

5.1

Shader Model

5.1

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