AMD Radeon HD 7770 GHz Edition vs NVIDIA GeForce GTX 960

VS

AMD Radeon HD 7770 GHz Edition

NVIDIA GeForce GTX 960

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7770 GHz Edition and 2GB VRAM GeForce GTX 960 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 120W)

NVIDIA GeForce GTX 960 's Advantages

Released 2 years and 11 months late

Boost Clock1178MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (112.2GB/s vs 72.00GB/s)

384 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7770 GHz Edition

1.28 TFLOPS

GeForce GTX 960 +88%

2.413 TFLOPS

Radeon HD 7770 GHz Edition

VS

GeForce GTX 960

Graphics Card

Feb 2012

Release Date

Jan 2015

Southern Islands

Generation

GeForce 900

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1127 MHz

-

Boost Clock

1178 MHz

1125 MHz

Memory Clock

1753 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

72.00GB/s

Bandwidth

112.2GB/s

Render Config

10

Compute Units

-

640

Shading Units

1024

40

TMUs

64

16

ROPs

32

-

16 KB (per CU)

L1 Cache

48 KB (per SMM)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

37.70 GPixel/s

40.00 GTexel/s

Texture Rate

75.39 GTexel/s

-

1280 GFLOPS

FP32 (float)

2.413 TFLOPS

80.00 GFLOPS

FP64 (double)

75.39 GFLOPS

Board Design

80W

TDP

120W

250 W

Suggested PSU

300 W

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

Outputs

1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Cape Verde

GPU Name

GM206

Cape Verde XT

GPU Variant

GM206-300-A1

GCN 1.0

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

2.94 billion

123 mm²

Die Size

228 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

5.2

5.1

Shader Model

6.4

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