AMD Radeon HD 8950 OEM vs NVIDIA GeForce GT 620

VS

AMD Radeon HD 8950 OEM

NVIDIA GeForce GT 620

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 8950 OEM and 1024MB VRAM GeForce GT 620 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8950 OEM 's Advantages

Released 8 months late

Boost Clock925MHz

More VRAM (3GB vs 1024GB)

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

1696 additional rendering cores

NVIDIA GeForce GT 620 's Advantages

Lower TDP (49W vs 200W)

Score

Benchmark

FP32 (float)

Radeon HD 8950 OEM +1132%

3.315 TFLOPS

GeForce GT 620

0.269 TFLOPS

Radeon HD 8950 OEM

VS

GeForce GT 620

Graphics Card

Jan 2013

Release Date

May 2012

Sea Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

850 MHz

Base Clock

-

925 MHz

Boost Clock

-

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

2

1792

Shading Units

96

112

TMUs

16

32

ROPs

4

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

768 KB

L2 Cache

128 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

2.800 GPixel/s

103.6 GTexel/s

Texture Rate

11.20 GTexel/s

-

3.315 TFLOPS

FP32 (float)

268.8 GFLOPS

828.8 GFLOPS

FP64 (double)

22.40 GFLOPS

Board Design

200W

TDP

49W

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

GF108

Tahiti PRO (215-0821056)

GPU Variant

GF108-100-KB-A1

GCN 1.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

4.313 billion

Transistors

0.585 billion

352 mm²

Die Size

116 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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