AMD Radeon HD 7970 GHz Edition vs NVIDIA GeForce GTX 950

VS

AMD Radeon HD 7970 GHz Edition

NVIDIA GeForce GTX 950

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

Main Differences

AMD Radeon HD 7970 GHz Edition 's Advantages

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (288.0GB/s vs 105.8GB/s)

1280 additional rendering cores

NVIDIA GeForce GTX 950 's Advantages

Released 3 years and 2 months late

Boost Clock has increased by 13% (1188MHz vs 1050MHz)

Lower TDP (90W vs 300W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 GHz Edition +135%

4.301 TFLOPS

GeForce GTX 950

1.825 TFLOPS

Radeon HD 7970 GHz Edition

VS

GeForce GTX 950

Graphics Card

Jun 2012

Release Date

Aug 2015

Southern Islands

Generation

GeForce 900

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1000 MHz

Base Clock

1024 MHz

1050 MHz

Boost Clock

1188 MHz

1500 MHz

Memory Clock

1653 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

128bit

288.0GB/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

33.60 GPixel/s

Pixel Rate

38.02 GPixel/s

134.4 GTexel/s

Texture Rate

57.02 GTexel/s

-

4.301 TFLOPS

FP32 (float)

1.825 TFLOPS

1075 GFLOPS

FP64 (double)

57.02 GFLOPS

Board Design

300W

TDP

90W

700 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

1x 6-pin

Graphics Processor

Tahiti

GPU Name

GM206

Tahiti XT2 (215-0821065)

GPU Variant

GM206-250-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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