NVIDIA GeForce GTX TITAN Z vs AMD Radeon HD 7950

VS

NVIDIA GeForce GTX TITAN Z

AMD Radeon HD 7950

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX TITAN Z and 3GB VRAM Radeon HD 7950 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX TITAN Z 's Advantages

Released 2 years and 4 months late

Boost Clock876MHz

More VRAM (6GB vs 3GB)

Larger VRAM bandwidth (336.0GB/s vs 240.0GB/s)

1088 additional rendering cores

AMD Radeon HD 7950 's Advantages

Lower TDP (200W vs 375W)

Score

Benchmark

FP32 (float)

GeForce GTX TITAN Z +76%

5.046 TFLOPS

Radeon HD 7950

2.867 TFLOPS

GeForce GTX TITAN Z

VS

Radeon HD 7950

Graphics Card

May 2014

Release Date

Jan 2012

GeForce 700

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

705 MHz

Base Clock

-

876 MHz

Boost Clock

-

1750 MHz

Memory Clock

1250 MHz

Memory

6GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

384bit

336.0GB/s

Bandwidth

240.0GB/s

Render Config

-

Compute Units

28

-

2880

Shading Units

1792

240

TMUs

112

48

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

1536 KB

L2 Cache

768 KB

-

Theoretical Performance

52.56 GPixel/s

Pixel Rate

25.60 GPixel/s

210.2 GTexel/s

Texture Rate

89.60 GTexel/s

-

5.046 TFLOPS

FP32 (float)

2.867 TFLOPS

1.682 TFLOPS

FP64 (double)

716.8 GFLOPS

Board Design

375W

TDP

200W

750 W

Suggested PSU

550 W

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

Outputs

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

2x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

GK110B

GPU Name

Tahiti

GK110-350-B1

GPU Variant

Tahiti PRO (215-0821056)

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

7.08 billion

Transistors

4.313 billion

561 mm²

Die Size

352 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.1

Vulkan

1.2

3.5

CUDA

-

5.1

Shader Model

5.1

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