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

VS

NVIDIA GeForce GTX 780 Ti Engineering Sample

AMD Radeon HD 7770 GHz Edition

We compared two Desktop platform GPUs: 3GB VRAM GeForce GTX 780 Ti Engineering Sample and 1024MB VRAM Radeon HD 7770 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

Boost Clock928MHz

More VRAM (3GB vs 1024GB)

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

2240 additional rendering cores

AMD Radeon HD 7770 GHz Edition 's Advantages

Lower TDP (80W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 780 Ti Engineering Sample +317%

5.345 TFLOPS

Radeon HD 7770 GHz Edition

1.28 TFLOPS

GeForce GTX 780 Ti Engineering Sample

VS

Radeon HD 7770 GHz Edition

Graphics Card

Unknown

Release Date

Feb 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

-

928 MHz

Boost Clock

-

1753 MHz

Memory Clock

1125 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

128bit

336.6GB/s

Bandwidth

72.00GB/s

Render Config

-

Compute Units

10

-

2880

Shading Units

640

240

TMUs

40

48

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

1536 KB

L2 Cache

256 KB

-

Theoretical Performance

55.68 GPixel/s

Pixel Rate

16.00 GPixel/s

222.7 GTexel/s

Texture Rate

40.00 GTexel/s

-

5.345 TFLOPS

FP32 (float)

1280 GFLOPS

222.7 GFLOPS

FP64 (double)

80.00 GFLOPS

Board Design

250W

TDP

80W

600 W

Suggested PSU

250 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

Graphics Processor

GK180

GPU Name

Cape Verde

GK180-425-A1

GPU Variant

Cape Verde XT

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

7.08 billion

Transistors

1.5 billion

561 mm²

Die Size

123 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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