AMD Radeon R9 255 OEM vs NVIDIA CMP 90HX

VS

AMD Radeon R9 255 OEM

NVIDIA CMP 90HX

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 255 OEM and 10GB VRAM CMP 90HX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 255 OEM 's Advantages

Lower TDP (65W vs 320W)

NVIDIA CMP 90HX 's Advantages

Released 7 years and 7 months late

Boost Clock has increased by 84% (1710MHz vs 930MHz)

More VRAM (10GB vs 2GB)

Larger VRAM bandwidth (760.3GB/s vs 73.60GB/s)

5888 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 255 OEM

0.952 TFLOPS

CMP 90HX +2199%

21.89 TFLOPS

Radeon R9 255 OEM

VS

CMP 90HX

Graphics Card

Dec 2013

Release Date

Jul 2021

Volcanic Islands

Generation

Mining GPUs

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

900 MHz

Base Clock

1500 MHz

930 MHz

Boost Clock

1710 MHz

1150 MHz

Memory Clock

1188 MHz

Memory

2GB

Memory Size

10GB

GDDR5

Memory Type

GDDR6X

128bit

Memory Bus

320bit

73.60GB/s

Bandwidth

760.3GB/s

Render Config

8

Compute Units

-

SM Count

50

512

Shading Units

6400

32

TMUs

200

16

ROPs

80

-

Tensor Cores

200

-

RT Cores

50

16 KB (per CU)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

5 MB

-

Theoretical Performance

14.88 GPixel/s

Pixel Rate

136.8 GPixel/s

29.76 GTexel/s

Texture Rate

342.0 GTexel/s

-

FP16 (half)

21.89 TFLOPS

952.3 GFLOPS

FP32 (float)

21.89 TFLOPS

59.52 GFLOPS

FP64 (double)

342.0 GFLOPS

Board Design

65W

TDP

320W

250 W

Suggested PSU

700 W

No outputs

Outputs

No outputs

1x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

Cape Verde

GPU Name

GA102

Cape Verde PRX

GPU Variant

GA102-100-A1

GCN 1.0

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

1.5 billion

Transistors

28.3 billion

123 mm²

Die Size

628 mm²

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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