NVIDIA GeForce GTX 550 Ti vs AMD Radeon HD 7990

VS

NVIDIA GeForce GTX 550 Ti

AMD Radeon HD 7990

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 550 Ti 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 550 Ti 's Advantages

Lower TDP (116W vs 375W)

AMD Radeon HD 7990 's Advantages

Released 2 years and 1 months late

Boost Clock1000MHz

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (288.0GB/s vs 98.50GB/s)

1856 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 550 Ti

0.691 TFLOPS

Radeon HD 7990 +492%

4.096 TFLOPS

GeForce GTX 550 Ti

VS

Radeon HD 7990

Graphics Card

Mar 2011

Release Date

Apr 2013

GeForce 500

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

950 MHz

-

Boost Clock

1000 MHz

1026 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

384bit

98.50GB/s

Bandwidth

288.0GB/s

Render Config

-

Compute Units

32

4

SM Count

-

192

Shading Units

2048

32

TMUs

128

24

ROPs

32

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

768 KB

-

Theoretical Performance

7.200 GPixel/s

Pixel Rate

32.00 GPixel/s

28.80 GTexel/s

Texture Rate

128.0 GTexel/s

-

691.2 GFLOPS

FP32 (float)

4.096 TFLOPS

57.60 GFLOPS

FP64 (double)

1024 GFLOPS

Board Design

116W

TDP

375W

300 W

Suggested PSU

750 W

2x DVI 1x mini-HDMI 1.3a

Outputs

1x DVI 4x mini-DisplayPort 1.2

1x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

GF116

GPU Name

Malta

GF116-400-A1

GPU Variant

Malta XT (215-0849026)

Fermi 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.17 billion

Transistors

4.313 billion

238 mm²

Die Size

365 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

2.1

CUDA

-

5.1

Shader Model

5.1

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