NVIDIA GeForce GTX TITAN vs AMD Radeon HD 7990

VS

NVIDIA GeForce GTX TITAN

AMD Radeon HD 7990

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX TITAN and 3GB VRAM Radeon HD 7990 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX TITAN 's Advantages

More VRAM (6GB vs 3GB)

Larger VRAM bandwidth (288.4GB/s vs 288.0GB/s)

640 additional rendering cores

Lower TDP (250W vs 375W)

AMD Radeon HD 7990 's Advantages

Boost Clock has increased by 14% (1000MHz vs 876MHz)

Score

Benchmark

FP32 (float)

GeForce GTX TITAN +14%

4.709 TFLOPS

Radeon HD 7990

4.096 TFLOPS

GeForce GTX TITAN

VS

Radeon HD 7990

Graphics Card

Feb 2013

Release Date

Apr 2013

GeForce 700

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

836 MHz

Base Clock

950 MHz

876 MHz

Boost Clock

1000 MHz

1502 MHz

Memory Clock

1500 MHz

Memory

6GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

384bit

288.4GB/s

Bandwidth

288.0GB/s

Render Config

-

Compute Units

32

-

2688

Shading Units

2048

224

TMUs

128

48

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

1536 KB

L2 Cache

768 KB

-

Theoretical Performance

49.06 GPixel/s

Pixel Rate

32.00 GPixel/s

196.2 GTexel/s

Texture Rate

128.0 GTexel/s

-

4.709 TFLOPS

FP32 (float)

4.096 TFLOPS

1.570 TFLOPS

FP64 (double)

1024 GFLOPS

Board Design

250W

TDP

375W

600 W

Suggested PSU

750 W

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

Outputs

1x DVI 4x mini-DisplayPort 1.2

1x 6-pin + 1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

GK110

GPU Name

Malta

GK110-400-A1

GPU Variant

Malta XT (215-0849026)

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

365 mm²

Graphics Features

12 (11_0)

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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