AMD Radeon R9 255 OEM vs NVIDIA A2

VS

AMD Radeon R9 255 OEM

NVIDIA A2

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 255 OEM and 16GB VRAM A2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A2 's Advantages

Released 7 years and 11 months late

Boost Clock has increased by 90% (1770MHz vs 930MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (200.1GB/s vs 73.60GB/s)

768 additional rendering cores

Lower TDP (60W vs 65W)

Score

Benchmark

FP32 (float)

Radeon R9 255 OEM

0.952 TFLOPS

A2 +375%

4.531 TFLOPS

Radeon R9 255 OEM

VS

A2

Graphics Card

Dec 2013

Release Date

Nov 2021

Volcanic Islands

Generation

Quadro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

900 MHz

Base Clock

1440 MHz

930 MHz

Boost Clock

1770 MHz

1150 MHz

Memory Clock

1563 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

128bit

73.60GB/s

Bandwidth

200.1GB/s

Render Config

8

Compute Units

-

SM Count

10

512

Shading Units

1280

32

TMUs

40

16

ROPs

32

-

Tensor Cores

40

-

RT Cores

10

16 KB (per CU)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

14.88 GPixel/s

Pixel Rate

56.64 GPixel/s

29.76 GTexel/s

Texture Rate

70.80 GTexel/s

-

FP16 (half)

4.531 TFLOPS

952.3 GFLOPS

FP32 (float)

4.531 TFLOPS

59.52 GFLOPS

FP64 (double)

70.80 GFLOPS

Board Design

65W

TDP

60W

250 W

Suggested PSU

250 W

No outputs

Outputs

No outputs

1x 6-pin

Power Connectors

None

Graphics Processor

Cape Verde

GPU Name

GA107

Cape Verde PRX

GPU Variant

-

GCN 1.0

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

1.5 billion

Transistors

Unknown

123 mm²

Die Size

Unknown

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

8.6

5.1

Shader Model

6.6

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