AMD Radeon HD 7950 vs NVIDIA GeForce GTX TITAN

VS

AMD Radeon HD 7950

NVIDIA GeForce GTX TITAN

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

Released 1 years and 1 months late

Boost Clock876MHz

More VRAM (6GB vs 3GB)

Larger VRAM bandwidth (288.4GB/s vs 240.0GB/s)

896 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7950

2.867 TFLOPS

GeForce GTX TITAN +64%

4.709 TFLOPS

3DMark Time Spy

Radeon HD 7950

1917

GeForce GTX TITAN +51%

2900

Radeon HD 7950

VS

GeForce GTX TITAN

Graphics Card

Jan 2012

Release Date

Feb 2013

Southern Islands

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

836 MHz

-

Boost Clock

876 MHz

1250 MHz

Memory Clock

1502 MHz

Memory

3GB

Memory Size

6GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

384bit

240.0GB/s

Bandwidth

288.4GB/s

Render Config

28

Compute Units

-

1792

Shading Units

2688

112

TMUs

224

32

ROPs

48

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

768 KB

L2 Cache

1536 KB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

49.06 GPixel/s

89.60 GTexel/s

Texture Rate

196.2 GTexel/s

-

2.867 TFLOPS

FP32 (float)

4.709 TFLOPS

716.8 GFLOPS

FP64 (double)

1.570 TFLOPS

Board Design

200W

TDP

250W

550 W

Suggested PSU

600 W

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

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Tahiti

GPU Name

GK110

Tahiti PRO (215-0821056)

GPU Variant

GK110-400-A1

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

7.08 billion

352 mm²

Die Size

561 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.5

5.1

Shader Model

5.1

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