AMD Radeon HD 7770 GHz Edition vs NVIDIA NVS 1000

VS

AMD Radeon HD 7770 GHz Edition

NVIDIA NVS 1000

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7770 GHz Edition and 2GB VRAM NVS 1000 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

Larger VRAM bandwidth (72.00GB/s vs 28.51GB/s)

448 additional rendering cores

NVIDIA NVS 1000 's Advantages

More VRAM (2GB vs 1024GB)

Lower TDP (35W vs 80W)

Score

Benchmark

FP32 (float)

Radeon HD 7770 GHz Edition +318%

1.28 TFLOPS

NVS 1000

0.306 TFLOPS

Radeon HD 7770 GHz Edition

VS

NVS 1000

Graphics Card

Feb 2012

Release Date

Unknown

Southern Islands

Generation

NVS

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1125 MHz

Memory Clock

891 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

72.00GB/s

Bandwidth

28.51GB/s

Render Config

10

Compute Units

-

640

Shading Units

192

40

TMUs

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

3.188 GPixel/s

40.00 GTexel/s

Texture Rate

12.75 GTexel/s

-

1280 GFLOPS

FP32 (float)

306.0 GFLOPS

80.00 GFLOPS

FP64 (double)

12.75 GFLOPS

Board Design

80W

TDP

35W

250 W

Suggested PSU

200 W

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

Outputs

4x mini-DisplayPort 1.2

1x 6-pin

Power Connectors

-

Graphics Processor

Cape Verde

GPU Name

GK107

Cape Verde XT

GPU Variant

-

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

1.27 billion

123 mm²

Die Size

118 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

5.1

Shader Model

5.1

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