AMD Radeon HD 7970 vs NVIDIA GeForce GTX 950 Low Power

VS

AMD Radeon HD 7970

NVIDIA GeForce GTX 950 Low Power

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 and 2GB VRAM GeForce GTX 950 Low Power to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970 's Advantages

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (264.0GB/s vs 105.8GB/s)

1280 additional rendering cores

NVIDIA GeForce GTX 950 Low Power 's Advantages

Released 4 years and 3 months late

Boost Clock1190MHz

Lower TDP (75W vs 250W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 +107%

3.789 TFLOPS

GeForce GTX 950 Low Power

1.828 TFLOPS

Radeon HD 7970

VS

GeForce GTX 950 Low Power

Graphics Card

Dec 2011

Release Date

Mar 2016

Southern Islands

Generation

GeForce 900

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1026 MHz

-

Boost Clock

1190 MHz

1375 MHz

Memory Clock

1653 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

128bit

264.0GB/s

Bandwidth

105.8GB/s

Render Config

32

Compute Units

-

2048

Shading Units

768

128

TMUs

48

32

ROPs

32

-

16 KB (per CU)

L1 Cache

48 KB (per SMM)

768 KB

L2 Cache

1024 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

38.08 GPixel/s

118.4 GTexel/s

Texture Rate

57.12 GTexel/s

-

3.789 TFLOPS

FP32 (float)

1.828 TFLOPS

947.2 GFLOPS

FP64 (double)

57.12 GFLOPS

Board Design

250W

TDP

75W

600 W

Suggested PSU

250 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 + 1x 8-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

GM206

Tahiti XT (215-0821060)

GPU Variant

GM206-251-A1

GCN 1.0

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

2.94 billion

352 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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