NVIDIA GeForce GT 640 vs AMD Radeon R7 350 640SP

VS

NVIDIA GeForce GT 640

AMD Radeon R7 350 640SP

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 2GB VRAM Radeon R7 350 640SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 350 640SP 's Advantages

Released 6 years and 7 months late

Larger VRAM bandwidth (72.00GB/s vs 28.51GB/s)

256 additional rendering cores

Lower TDP (55W vs 65W)

Score

Benchmark

FP32 (float)

GeForce GT 640

0.693 TFLOPS

Radeon R7 350 640SP +70%

1.184 TFLOPS

GeForce GT 640

VS

Radeon R7 350 640SP

Graphics Card

Jun 2012

Release Date

Jan 2019

GeForce 600

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

891 MHz

Memory Clock

1125 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

28.51GB/s

Bandwidth

72.00GB/s

Render Config

-

Compute Units

10

-

384

Shading Units

640

32

TMUs

40

16

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

7.216 GPixel/s

Pixel Rate

14.80 GPixel/s

28.86 GTexel/s

Texture Rate

37.00 GTexel/s

-

692.7 GFLOPS

FP32 (float)

1184 GFLOPS

28.86 GFLOPS

FP64 (double)

74.00 GFLOPS

Board Design

65W

TDP

55W

250 W

Suggested PSU

250 W

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

Outputs

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

None

Power Connectors

None

Graphics Processor

GK107

GPU Name

Cape Verde

GK107-300-A2

GPU Variant

Cape Verde XT

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

1.5 billion

118 mm²

Die Size

123 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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