NVIDIA CMP 70HX vs ATI Radeon HD 3870 X2

VS

NVIDIA CMP 70HX

ATI Radeon HD 3870 X2

We compared two Desktop platform GPUs: 8GB VRAM CMP 70HX and 512MB VRAM Radeon HD 3870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA CMP 70HX 's Advantages

Released 13 years late

Boost Clock1395MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (608.3GB/s vs 57.66GB/s)

3520 additional rendering cores

Score

Benchmark

FP32 (float)

CMP 70HX +1928%

10.71 TFLOPS

Radeon HD 3870 X2

0.528 TFLOPS

CMP 70HX

VS

Radeon HD 3870 X2

Graphics Card

Jan 2021

Release Date

Jan 2008

Mining GPUs

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1365 MHz

Base Clock

-

1395 MHz

Boost Clock

-

1188 MHz

Memory Clock

901 MHz

Memory

8GB

Memory Size

512MB

GDDR6X

Memory Type

GDDR3

256bit

Memory Bus

256bit

608.3GB/s

Bandwidth

57.66GB/s

Render Config

-

Compute Units

4

30

SM Count

-

3840

Shading Units

320

120

TMUs

16

64

ROPs

16

120

Tensor Cores

-

30

RT Cores

-

128 KB (per SM)

L1 Cache

-

4 MB

L2 Cache

256 KB

-

Theoretical Performance

89.28 GPixel/s

Pixel Rate

13.20 GPixel/s

167.4 GTexel/s

Texture Rate

13.20 GTexel/s

10.71 TFLOPS

FP16 (half)

-

10.71 TFLOPS

FP32 (float)

528.0 GFLOPS

167.4 GFLOPS

FP64 (double)

105.6 GFLOPS

Board Design

Unknown

TDP

165W

200 W

Suggested PSU

450 W

No outputs

Outputs

2x DVI 1x S-Video

1x 12-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GA104

GPU Name

R680

GA104-100-A1

GPU Variant

R680 XT (215-0708017)

Ampere

Architecture

TeraScale

Samsung

Foundry

TSMC

8 nm

Process Size

55 nm

17.4 billion

Transistors

0.666 billion

392 mm²

Die Size

192 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

3.0

OpenCL

N/A

1.3

Vulkan

N/A

8.6

CUDA

-

6.8

Shader Model

4.1

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