ATI Radeon HD 5970 vs NVIDIA GeForce GT 620 OEM

VS

ATI Radeon HD 5970

NVIDIA GeForce GT 620 OEM

We compared two Desktop platform GPUs: 1024MB VRAM ATI Radeon HD 5970 and 512MB VRAM GeForce GT 620 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5970 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (128.0GB/s vs 14.37GB/s)

1552 additional rendering cores

NVIDIA GeForce GT 620 OEM 's Advantages

Released 2 years and 5 months late

Lower TDP (30W vs 294W)

Score

Benchmark

FP32 (float)

ATI Radeon HD 5970 +1387%

2.32 TFLOPS

GeForce GT 620 OEM

0.156 TFLOPS

ATI Radeon HD 5970

VS

GeForce GT 620 OEM

Graphics Card

Nov 2009

Release Date

Apr 2012

Evergreen

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

898 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

128.0GB/s

Bandwidth

14.37GB/s

Render Config

20

Compute Units

-

SM Count

1

1600

Shading Units

48

80

TMUs

8

32

ROPs

4

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

23.20 GPixel/s

Pixel Rate

1.620 GPixel/s

58.00 GTexel/s

Texture Rate

6.480 GTexel/s

-

2.320 TFLOPS

FP32 (float)

155.5 GFLOPS

464.0 GFLOPS

FP64 (double)

12.96 GFLOPS

Board Design

294W

TDP

30W

600 W

Suggested PSU

200 W

2x DVI 1x mini-DisplayPort 1.1

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Hemlock

GPU Name

GF119

Hemlock XT (215-0735075)

GPU Variant

-

TeraScale 2

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

2.154 billion

Transistors

0.292 billion

334 mm²

Die Size

79 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

5.0

Shader Model

5.1

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