ATI Radeon HD 3870 Mac Edition vs NVIDIA CMP 40HX

VS

ATI Radeon HD 3870 Mac Edition

NVIDIA CMP 40HX

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

Main Differences

ATI Radeon HD 3870 Mac Edition 's Advantages

Lower TDP (106W vs 185W)

NVIDIA CMP 40HX 's Advantages

Released 12 years and 8 months late

Boost Clock1650MHz

More VRAM (8GB vs 512GB)

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

1984 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3870 Mac Edition

0.497 TFLOPS

CMP 40HX +1429%

7.603 TFLOPS

Radeon HD 3870 Mac Edition

VS

CMP 40HX

Graphics Card

Jun 2008

Release Date

Feb 2021

Radeon R600

Generation

Mining GPUs

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1470 MHz

-

Boost Clock

1650 MHz

1126 MHz

Memory Clock

1750 MHz

Memory

512MB

Memory Size

8GB

GDDR4

Memory Type

GDDR6

256bit

Memory Bus

256bit

72.06GB/s

Bandwidth

448.0GB/s

Render Config

4

Compute Units

-

SM Count

36

320

Shading Units

2304

16

TMUs

144

16

ROPs

64

-

Tensor Cores

288

-

RT Cores

36

-

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

4 MB

-

Theoretical Performance

12.43 GPixel/s

Pixel Rate

105.6 GPixel/s

12.43 GTexel/s

Texture Rate

237.6 GTexel/s

-

FP16 (half)

15.21 TFLOPS

497.3 GFLOPS

FP32 (float)

7.603 TFLOPS

99.46 GFLOPS

FP64 (double)

237.6 GFLOPS

Board Design

106W

TDP

185W

300 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

No outputs

1x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

RV670

GPU Name

TU106

RV670 XT (215-0708005)

GPU Variant

TU106-100-A1

TeraScale

Architecture

Turing

TSMC

Foundry

TSMC

55 nm

Process Size

12 nm

0.666 billion

Transistors

10.8 billion

192 mm²

Die Size

445 mm²

Graphics Features

10.1 (10_1)

DirectX

12 Ultimate (12_2)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

7.5

4.1

Shader Model

6.6

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