AMD Radeon HD 8490 OEM vs NVIDIA GeForce GT 620 OEM

VS

AMD Radeon HD 8490 OEM

NVIDIA GeForce GT 620 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 8490 OEM and 512MB VRAM GeForce GT 620 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8490 OEM 's Advantages

Released 1 years and 3 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (14.40GB/s vs 14.37GB/s)

112 additional rendering cores

NVIDIA GeForce GT 620 OEM 's Advantages

Lower TDP (30W vs 35W)

Score

Benchmark

FP32 (float)

Radeon HD 8490 OEM +79%

0.28 TFLOPS

GeForce GT 620 OEM

0.156 TFLOPS

Radeon HD 8490 OEM

VS

GeForce GT 620 OEM

Graphics Card

Jul 2013

Release Date

Apr 2012

Sea Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

898 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

DDR3

64bit

Memory Bus

64bit

14.40GB/s

Bandwidth

14.37GB/s

Render Config

2

Compute Units

-

SM Count

1

160

Shading Units

48

8

TMUs

8

4

ROPs

4

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

3.500 GPixel/s

Pixel Rate

1.620 GPixel/s

7.000 GTexel/s

Texture Rate

6.480 GTexel/s

-

280.0 GFLOPS

FP32 (float)

155.5 GFLOPS

-

FP64 (double)

12.96 GFLOPS

Board Design

35W

TDP

30W

200 W

Suggested PSU

200 W

1x DVI 1x DisplayPort 1.1

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

None

Power Connectors

None

Graphics Processor

Caicos

GPU Name

GF119

Caicos XTX

GPU Variant

-

TeraScale 2

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.37 billion

Transistors

0.292 billion

67 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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