NVIDIA CMP 40HX vs ATI Radeon HD 3870

VS

NVIDIA CMP 40HX

ATI Radeon HD 3870

We compared two Desktop platform GPUs: 8GB VRAM CMP 40HX and 512MB VRAM Radeon HD 3870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA CMP 40HX 's Advantages

Released 13 years and 3 months late

Boost Clock1650MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (448.0GB/s vs 72.06GB/s)

1984 additional rendering cores

ATI Radeon HD 3870 's Advantages

Lower TDP (106W vs 185W)

Score

Benchmark

FP32 (float)

CMP 40HX +1429%

7.603 TFLOPS

Radeon HD 3870

0.497 TFLOPS

CMP 40HX

VS

Radeon HD 3870

Graphics Card

Feb 2021

Release Date

Nov 2007

Mining GPUs

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1470 MHz

Base Clock

-

1650 MHz

Boost Clock

-

1750 MHz

Memory Clock

1126 MHz

Memory

8GB

Memory Size

512MB

GDDR6

Memory Type

GDDR4

256bit

Memory Bus

256bit

448.0GB/s

Bandwidth

72.06GB/s

Render Config

-

Compute Units

4

36

SM Count

-

2304

Shading Units

320

144

TMUs

16

64

ROPs

16

288

Tensor Cores

-

36

RT Cores

-

64 KB (per SM)

L1 Cache

-

4 MB

L2 Cache

256 KB

-

Theoretical Performance

105.6 GPixel/s

Pixel Rate

12.43 GPixel/s

237.6 GTexel/s

Texture Rate

12.43 GTexel/s

15.21 TFLOPS

FP16 (half)

-

7.603 TFLOPS

FP32 (float)

497.3 GFLOPS

237.6 GFLOPS

FP64 (double)

99.46 GFLOPS

Board Design

185W

TDP

106W

450 W

Suggested PSU

300 W

No outputs

Outputs

2x DVI 1x S-Video

1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

TU106

GPU Name

RV670

TU106-100-A1

GPU Variant

RV670 XT (215-0708005)

Turing

Architecture

TeraScale

TSMC

Foundry

TSMC

12 nm

Process Size

55 nm

10.8 billion

Transistors

0.666 billion

445 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

7.5

CUDA

-

6.6

Shader Model

4.1

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