AMD Radeon HD 7950 vs NVIDIA GeForce GTX 1080 Ti

VS

AMD Radeon HD 7950

NVIDIA GeForce GTX 1080 Ti

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 and 11GB VRAM GeForce GTX 1080 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950 's Advantages

Lower TDP (200W vs 250W)

NVIDIA GeForce GTX 1080 Ti 's Advantages

Released 5 years and 2 months late

Boost Clock1582MHz

More VRAM (11GB vs 3GB)

Larger VRAM bandwidth (484.4GB/s vs 240.0GB/s)

1792 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7950

2.867 TFLOPS

GeForce GTX 1080 Ti +295%

11.34 TFLOPS

3DMark Time Spy

Radeon HD 7950

1917

GeForce GTX 1080 Ti +415%

9873

Radeon HD 7950

VS

GeForce GTX 1080 Ti

Graphics Card

Jan 2012

Release Date

Mar 2017

Southern Islands

Generation

GeForce 10

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1481 MHz

-

Boost Clock

1582 MHz

1250 MHz

Memory Clock

1376 MHz

Memory

3GB

Memory Size

11GB

GDDR5

Memory Type

GDDR5X

384bit

Memory Bus

352bit

240.0GB/s

Bandwidth

484.4GB/s

Render Config

28

Compute Units

-

SM Count

28

1792

Shading Units

3584

112

TMUs

224

32

ROPs

88

-

16 KB (per CU)

L1 Cache

48 KB (per SM)

768 KB

L2 Cache

0 MB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

139.2 GPixel/s

89.60 GTexel/s

Texture Rate

354.4 GTexel/s

-

FP16 (half)

177.2 GFLOPS

2.867 TFLOPS

FP32 (float)

11.34 TFLOPS

716.8 GFLOPS

FP64 (double)

354.4 GFLOPS

Board Design

200W

TDP

250W

550 W

Suggested PSU

600 W

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

Outputs

1x HDMI 2.0 3x DisplayPort 1.4a

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Tahiti

GPU Name

GP102

Tahiti PRO (215-0821056)

GPU Variant

GP102-350-K1-A1

GCN 1.0

Architecture

Pascal

TSMC

Foundry

TSMC

28 nm

Process Size

16 nm

4.313 billion

Transistors

11.8 billion

352 mm²

Die Size

471 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

6.1

5.1

Shader Model

6.4

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