AMD Radeon R9 285 vs NVIDIA GeForce GT 620

VS

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 285 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 R9 285 's Advantages

Released 2 years and 4 months late

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (176.0GB/s vs 14.40GB/s)

1696 additional rendering cores

NVIDIA GeForce GT 620 's Advantages

Lower TDP (49W vs 190W)

Score

Benchmark

FP32 (float)

Radeon R9 285 +1123%

3.29 TFLOPS

GeForce GT 620

0.269 TFLOPS

Radeon R9 285

VS

GeForce GT 620

Graphics Card

Sep 2014

Release Date

May 2012

Volcanic Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1375 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

176.0GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

2

28

Compute Units

-

1792

Shading Units

96

112

TMUs

16

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

128 KB

Theoretical Performance

29.38 GPixel/s

Pixel Rate

2.800 GPixel/s

102.8 GTexel/s

Texture Rate

11.20 GTexel/s

3.290 TFLOPS

FP16 (half)

-

3.290 TFLOPS

FP32 (float)

268.8 GFLOPS

205.6 GFLOPS

FP64 (double)

22.40 GFLOPS

Graphics Processor

Tonga

GPU Name

GF108

Tonga PRO (215-0851128)

GPU Variant

GF108-100-KB-A1

GCN 3.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

5 billion

Transistors

0.585 billion

366 mm²

Die Size

116 mm²

Board Design

190W

TDP

49W

450 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 6-pin

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

1.1

1.2.170

Vulkan

N/A

-

CUDA

2.1

6.5

Shader Model

5.1

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