AMD Radeon HD 7950 vs NVIDIA GeForce GTX 980 Ti

VS

AMD Radeon HD 7950

NVIDIA GeForce GTX 980 Ti

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 and 6GB VRAM GeForce GTX 980 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 980 Ti 's Advantages

Released 3 years and 5 months late

Boost Clock1076MHz

More VRAM (6GB vs 3GB)

Larger VRAM bandwidth (336.6GB/s vs 240.0GB/s)

1024 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7950

2.867 TFLOPS

GeForce GTX 980 Ti +111%

6.06 TFLOPS

3DMark Time Spy

Radeon HD 7950

1917

GeForce GTX 980 Ti +200%

5754

Radeon HD 7950

VS

GeForce GTX 980 Ti

Graphics Card

Jan 2012

Release Date

Jun 2015

Southern Islands

Generation

GeForce 900

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1076 MHz

1250 MHz

Memory Clock

1753 MHz

Memory

3GB

Memory Size

6GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

384bit

240.0GB/s

Bandwidth

336.6GB/s

Render Config

28

Compute Units

-

1792

Shading Units

2816

112

TMUs

176

32

ROPs

96

-

16 KB (per CU)

L1 Cache

48 KB (per SMM)

768 KB

L2 Cache

3 MB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

103.3 GPixel/s

89.60 GTexel/s

Texture Rate

189.4 GTexel/s

-

2.867 TFLOPS

FP32 (float)

6.060 TFLOPS

716.8 GFLOPS

FP64 (double)

189.4 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 DVI 1x HDMI 2.0 3x DisplayPort 1.4a

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Tahiti

GPU Name

GM200

Tahiti PRO (215-0821056)

GPU Variant

GM200-310-A1

GCN 1.0

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

8 billion

352 mm²

Die Size

601 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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