NVIDIA GeForce GT 640 OEM Rebrand vs NVIDIA CMP 70HX

VS

NVIDIA GeForce GT 640 OEM Rebrand

NVIDIA CMP 70HX

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 640 OEM Rebrand and 8GB VRAM CMP 70HX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA CMP 70HX 's Advantages

Released 8 years and 9 months late

Boost Clock1395MHz

More VRAM (8GB vs 1536GB)

Larger VRAM bandwidth (608.3GB/s vs 38.40GB/s)

3696 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640 OEM Rebrand

0.415 TFLOPS

CMP 70HX +2480%

10.71 TFLOPS

GeForce GT 640 OEM Rebrand

VS

CMP 70HX

Graphics Card

Apr 2012

Release Date

Jan 2021

GeForce 600

Generation

Mining GPUs

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1365 MHz

-

Boost Clock

1395 MHz

800 MHz

Memory Clock

1188 MHz

Memory

1536MB

Memory Size

8GB

DDR3

Memory Type

GDDR6X

192bit

Memory Bus

256bit

38.40GB/s

Bandwidth

608.3GB/s

Render Config

-

3

SM Count

30

144

Shading Units

3840

24

TMUs

120

24

ROPs

64

-

Tensor Cores

120

-

RT Cores

30

64 KB (per SM)

L1 Cache

128 KB (per SM)

384 KB

L2 Cache

4 MB

-

Theoretical Performance

4.320 GPixel/s

Pixel Rate

89.28 GPixel/s

17.28 GTexel/s

Texture Rate

167.4 GTexel/s

-

FP16 (half)

10.71 TFLOPS

414.7 GFLOPS

FP32 (float)

10.71 TFLOPS

34.56 GFLOPS

FP64 (double)

167.4 GFLOPS

Board Design

75W

TDP

Unknown

250 W

Suggested PSU

200 W

2x DVI 1x mini-HDMI 1.3a

Outputs

No outputs

None

Power Connectors

1x 12-pin

Graphics Processor

GF116

GPU Name

GA104

GF116-150-A1

GPU Variant

GA104-100-A1

Fermi 2.0

Architecture

Ampere

TSMC

Foundry

Samsung

40 nm

Process Size

8 nm

1.17 billion

Transistors

17.4 billion

238 mm²

Die Size

392 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.3

2.1

CUDA

8.6

5.1

Shader Model

6.8

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