NVIDIA GeForce GTX 1080 11Gbps vs AMD Radeon HD 6950

VS

NVIDIA GeForce GTX 1080 11Gbps AMD Radeon HD 6950

We compared two Desktop platform GPUs: 8GB VRAM GeForce GTX 1080 11Gbps and 2GB VRAM Radeon HD 6950 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 1080 11Gbps 's Advantages

Released 6 years and 4 months late

Boost Clock1733MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (352.3GB/s vs 160.0GB/s)

1152 additional rendering cores

Lower TDP (180W vs 200W)

Score

Benchmark

FP32 (float)

GeForce GTX 1080 11Gbps +293%

8.873 TFLOPS

Radeon HD 6950

2.253 TFLOPS

GeForce GTX 1080 11Gbps

VS

Radeon HD 6950

Graphics Card

Apr 2017

Release Date

Dec 2010

GeForce 10

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1607 MHz

Base Clock

-

1733 MHz

Boost Clock

-

1376 MHz

Memory Clock

1250 MHz

Memory

8GB

Memory Size

2GB

GDDR5X

Memory Type

GDDR5

256bit

Memory Bus

256bit

352.3GB/s

Bandwidth

160.0GB/s

Render Config

20

SM Count

-

Compute Units

22

2560

Shading Units

1408

160

TMUs

88

64

ROPs

32

-

Tensor Cores

-

RT Cores

-

48 KB (per SM)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

512 KB

Theoretical Performance

110.9 GPixel/s

Pixel Rate

25.60 GPixel/s

277.3 GTexel/s

Texture Rate

70.40 GTexel/s

138.6 GFLOPS

FP16 (half)

-

8.873 TFLOPS

FP32 (float)

2.253 TFLOPS

277.3 GFLOPS

FP64 (double)

563.2 GFLOPS

Graphics Processor

GP104

GPU Name

Cayman

GP104-410-A1

GPU Variant

Cayman PRO (215-0807019)

Pascal

Architecture

TeraScale 3

TSMC

Foundry

TSMC

16 nm

Process Size

40 nm

7.2 billion

Transistors

2.64 billion

314 mm²

Die Size

389 mm²

Board Design

180W

TDP

200W

450 W

Suggested PSU

550 W

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

Outputs

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

1x 8-pin

Power Connectors

2x 6-pin

Graphics Features

12 (12_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

6.1

CUDA

-

6.4

Shader Model

5.0

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