NVIDIA GeForce GT 640 vs AMD Radeon R9 370X

VS

NVIDIA GeForce GT 640

AMD Radeon R9 370X

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 2GB VRAM Radeon R9 370X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 's Advantages

Lower TDP (65W vs 180W)

AMD Radeon R9 370X 's Advantages

Released 3 years and 2 months late

Boost Clock1030MHz

Larger VRAM bandwidth (179.2GB/s vs 28.51GB/s)

896 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640

0.693 TFLOPS

Radeon R9 370X +280%

2.637 TFLOPS

GeForce GT 640

VS

Radeon R9 370X

Graphics Card

Jun 2012

Release Date

Aug 2015

GeForce 600

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

980 MHz

-

Boost Clock

1030 MHz

891 MHz

Memory Clock

1400 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

28.51GB/s

Bandwidth

179.2GB/s

Render Config

-

Compute Units

24

-

384

Shading Units

1280

32

TMUs

80

16

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

7.216 GPixel/s

Pixel Rate

32.96 GPixel/s

28.86 GTexel/s

Texture Rate

82.40 GTexel/s

-

692.7 GFLOPS

FP32 (float)

2.637 TFLOPS

28.86 GFLOPS

FP64 (double)

164.8 GFLOPS

Board Design

65W

TDP

180W

250 W

Suggested PSU

450 W

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

None

Power Connectors

2x 6-pin

Graphics Processor

GK107

GPU Name

Trinidad

GK107-300-A2

GPU Variant

Trinidad XT

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

2.8 billion

118 mm²

Die Size

212 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

5.1

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