AMD Radeon HD 7770 GHz Edition vs NVIDIA GeForce GTX 780 Ti

VS

AMD Radeon HD 7770 GHz Edition

NVIDIA GeForce GTX 780 Ti

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7770 GHz Edition and 3GB VRAM GeForce GTX 780 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7770 GHz Edition 's Advantages

Lower TDP (80W vs 250W)

NVIDIA GeForce GTX 780 Ti 's Advantages

Released 1 years and 9 months late

Boost Clock928MHz

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (336.6GB/s vs 72.00GB/s)

2240 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7770 GHz Edition

1.28 TFLOPS

GeForce GTX 780 Ti +317%

5.345 TFLOPS

Radeon HD 7770 GHz Edition

VS

GeForce GTX 780 Ti

Graphics Card

Feb 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

1125 MHz

Memory Clock

1753 MHz

Memory

1024MB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

384bit

72.00GB/s

Bandwidth

336.6GB/s

Render Config

10

Compute Units

-

640

Shading Units

2880

40

TMUs

240

16

ROPs

48

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

1536 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

55.68 GPixel/s

40.00 GTexel/s

Texture Rate

222.7 GTexel/s

-

1280 GFLOPS

FP32 (float)

5.345 TFLOPS

80.00 GFLOPS

FP64 (double)

222.7 GFLOPS

Board Design

80W

TDP

250W

250 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

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Cape Verde

GPU Name

GK110B

Cape Verde XT

GPU Variant

GK110-425-B1

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

7.08 billion

123 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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