AMD Radeon HD 6770 Green Edition vs NVIDIA GeForce GTX 980

VS

AMD Radeon HD 6770 Green Edition NVIDIA GeForce GTX 980

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6770 Green Edition and 4GB VRAM GeForce GTX 980 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6770 Green Edition 's Advantages

Lower TDP (86W vs 165W)

NVIDIA GeForce GTX 980 's Advantages

Released 1 years and 5 months late

Boost Clock1216MHz

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (224.4GB/s vs 21.34GB/s)

1328 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6770 Green Edition

1.008 TFLOPS

GeForce GTX 980 +394%

4.981 TFLOPS

Radeon HD 6770 Green Edition

VS

GeForce GTX 980

Graphics Card

Apr 2013

Release Date

Sep 2014

Northern Islands

Generation

GeForce 900

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1127 MHz

-

Boost Clock

1216 MHz

667 MHz

Memory Clock

1753 MHz

Memory

2GB

Memory Size

4GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

21.34GB/s

Bandwidth

224.4GB/s

Render Config

-

SM Count

-

9

Compute Units

-

720

Shading Units

2048

36

TMUs

128

16

ROPs

64

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

48 KB (per SMM)

256 KB

L2 Cache

2 MB

Theoretical Performance

11.20 GPixel/s

Pixel Rate

77.82 GPixel/s

25.20 GTexel/s

Texture Rate

155.6 GTexel/s

-

FP16 (half)

-

1008 GFLOPS

FP32 (float)

4.981 TFLOPS

-

FP64 (double)

155.6 GFLOPS

Graphics Processor

Juniper

GPU Name

GM204

Juniper LE (215-0754009)

GPU Variant

GM204-400-A1

TeraScale 2

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.04 billion

Transistors

5.2 billion

166 mm²

Die Size

398 mm²

Board Design

86W

TDP

165W

250 W

Suggested PSU

450 W

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

Outputs

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

-

Power Connectors

2x 6-pin

Graphics Features

11.2 (11_0)

DirectX

12 (12_1)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

5.2

5.0

Shader Model

6.4

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