NVIDIA CMP 70HX vs AMD Radeon R9 255 OEM

VS

NVIDIA CMP 70HX

AMD Radeon R9 255 OEM

We compared two Desktop platform GPUs: 8GB VRAM CMP 70HX and 2GB VRAM Radeon R9 255 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA CMP 70HX 's Advantages

Released 7 years and 1 months late

Boost Clock has increased by 50% (1395MHz vs 930MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (608.3GB/s vs 73.60GB/s)

3328 additional rendering cores

Score

Benchmark

FP32 (float)

CMP 70HX +1025%

10.71 TFLOPS

Radeon R9 255 OEM

0.952 TFLOPS

CMP 70HX

VS

Radeon R9 255 OEM

Graphics Card

Jan 2021

Release Date

Dec 2013

Mining GPUs

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1365 MHz

Base Clock

900 MHz

1395 MHz

Boost Clock

930 MHz

1188 MHz

Memory Clock

1150 MHz

Memory

8GB

Memory Size

2GB

GDDR6X

Memory Type

GDDR5

256bit

Memory Bus

128bit

608.3GB/s

Bandwidth

73.60GB/s

Render Config

-

Compute Units

8

30

SM Count

-

3840

Shading Units

512

120

TMUs

32

64

ROPs

16

120

Tensor Cores

-

30

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

256 KB

-

Theoretical Performance

89.28 GPixel/s

Pixel Rate

14.88 GPixel/s

167.4 GTexel/s

Texture Rate

29.76 GTexel/s

10.71 TFLOPS

FP16 (half)

-

10.71 TFLOPS

FP32 (float)

952.3 GFLOPS

167.4 GFLOPS

FP64 (double)

59.52 GFLOPS

Board Design

Unknown

TDP

65W

200 W

Suggested PSU

250 W

No outputs

Outputs

No outputs

1x 12-pin

Power Connectors

1x 6-pin

Graphics Processor

GA104

GPU Name

Cape Verde

GA104-100-A1

GPU Variant

Cape Verde PRX

Ampere

Architecture

GCN 1.0

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

17.4 billion

Transistors

1.5 billion

392 mm²

Die Size

123 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

8.6

CUDA

-

6.8

Shader Model

5.1

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