AMD Radeon HD 7990 vs NVIDIA GeForce GT 720

VS

AMD Radeon HD 7990

NVIDIA GeForce GT 720

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7990 and 1024MB VRAM GeForce GT 720 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7990 's Advantages

Boost Clock1000MHz

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (288.0GB/s vs 12.80GB/s)

1856 additional rendering cores

NVIDIA GeForce GT 720 's Advantages

Released 1 years and 5 months late

Lower TDP (19W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 7990 +1238%

4.096 TFLOPS

GeForce GT 720

0.306 TFLOPS

Radeon HD 7990

VS

GeForce GT 720

Graphics Card

Apr 2013

Release Date

Sep 2014

Southern Islands

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x8

Clock Speeds

950 MHz

Base Clock

-

1000 MHz

Boost Clock

-

1500 MHz

Memory Clock

800 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

384bit

Memory Bus

64bit

288.0GB/s

Bandwidth

12.80GB/s

Render Config

32

Compute Units

-

2048

Shading Units

192

128

TMUs

16

32

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

768 KB

L2 Cache

512 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

3.188 GPixel/s

128.0 GTexel/s

Texture Rate

12.75 GTexel/s

-

4.096 TFLOPS

FP32 (float)

306.0 GFLOPS

1024 GFLOPS

FP64 (double)

12.75 GFLOPS

Board Design

375W

TDP

19W

750 W

Suggested PSU

200 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

2x 8-pin

Power Connectors

None

Graphics Processor

Malta

GPU Name

GK208B

Malta XT (215-0849026)

GPU Variant

-

GCN 1.0

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

1.02 billion

365 mm²

Die Size

87 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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