AMD Radeon HD 7950 vs NVIDIA GeForce GTX TITAN X

VS

AMD Radeon HD 7950 NVIDIA GeForce GTX TITAN X

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 and 12GB VRAM GeForce GTX TITAN X 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 TITAN X 's Advantages

Released 3 years and 2 months late

Boost Clock1089MHz

More VRAM (12GB vs 3GB)

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

1280 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7950

2.867 TFLOPS

GeForce GTX TITAN X +133%

6.691 TFLOPS

Radeon HD 7950

VS

GeForce GTX TITAN X

Graphics Card

Jan 2012

Release Date

Mar 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

1089 MHz

1250 MHz

Memory Clock

1753 MHz

Memory

3GB

Memory Size

12GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

384bit

240.0GB/s

Bandwidth

336.6GB/s

Render Config

-

SM Count

-

28

Compute Units

-

1792

Shading Units

3072

112

TMUs

192

32

ROPs

96

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

48 KB (per SMM)

768 KB

L2 Cache

3 MB

Theoretical Performance

25.60 GPixel/s

Pixel Rate

104.5 GPixel/s

89.60 GTexel/s

Texture Rate

209.1 GTexel/s

-

FP16 (half)

-

2.867 TFLOPS

FP32 (float)

6.691 TFLOPS

716.8 GFLOPS

FP64 (double)

209.1 GFLOPS

Graphics Processor

Tahiti

GPU Name

GM200

Tahiti PRO (215-0821056)

GPU Variant

GM200-400-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

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 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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