AMD Radeon HD 7950 vs NVIDIA GeForce GT 520

VS

AMD Radeon HD 7950

NVIDIA GeForce GT 520

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 and 1024MB VRAM GeForce GT 520 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950 's Advantages

Released 9 months late

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (240.0GB/s vs 14.40GB/s)

1744 additional rendering cores

NVIDIA GeForce GT 520 's Advantages

Lower TDP (29W vs 200W)

Score

Benchmark

FP32 (float)

Radeon HD 7950 +1737%

2.867 TFLOPS

GeForce GT 520

0.156 TFLOPS

Radeon HD 7950

VS

GeForce GT 520

Graphics Card

Jan 2012

Release Date

Apr 2011

Southern Islands

Generation

GeForce 500

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

900 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

384bit

Memory Bus

64bit

240.0GB/s

Bandwidth

14.40GB/s

Render Config

28

Compute Units

-

SM Count

1

1792

Shading Units

48

112

TMUs

8

32

ROPs

4

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

768 KB

L2 Cache

128 KB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

1.620 GPixel/s

89.60 GTexel/s

Texture Rate

6.480 GTexel/s

-

2.867 TFLOPS

FP32 (float)

155.5 GFLOPS

716.8 GFLOPS

FP64 (double)

12.96 GFLOPS

Board Design

200W

TDP

29W

550 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 6-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

GF119

Tahiti PRO (215-0821056)

GPU Variant

GF119-300-A1

GCN 1.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

4.313 billion

Transistors

0.292 billion

352 mm²

Die Size

79 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

5.1

Shader Model

5.1

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