NVIDIA GeForce GT 640 Rev. 2 vs AMD Radeon R5 310 OEM

VS

NVIDIA GeForce GT 640 Rev. 2 AMD Radeon R5 310 OEM

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 640 Rev. 2 and 1024MB VRAM Radeon R5 310 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 Rev. 2 's Advantages

Larger VRAM bandwidth (40.06GB/s vs 14.40GB/s)

224 additional rendering cores

AMD Radeon R5 310 OEM 's Advantages

Released 2 years late

Lower TDP (35W vs 49W)

Score

Benchmark

FP32 (float)

GeForce GT 640 Rev. 2 +186%

0.803 TFLOPS

Radeon R5 310 OEM

0.28 TFLOPS

GeForce GT 640 Rev. 2

VS

Radeon R5 310 OEM

Graphics Card

May 2013

Release Date

May 2015

GeForce 600

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 2.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1252 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

64bit

40.06GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

-

Compute Units

2

384

Shading Units

160

32

TMUs

8

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

128 KB

Theoretical Performance

8.368 GPixel/s

Pixel Rate

3.500 GPixel/s

33.47 GTexel/s

Texture Rate

7.000 GTexel/s

-

FP16 (half)

-

803.3 GFLOPS

FP32 (float)

280.0 GFLOPS

33.47 GFLOPS

FP64 (double)

-

Graphics Processor

GK208

GPU Name

Caicos

GK208-400-A1

GPU Variant

Caicos XT (215-0804070)

Kepler 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.02 billion

Transistors

0.37 billion

87 mm²

Die Size

67 mm²

Board Design

49W

TDP

35W

200 W

Suggested PSU

200 W

1x DVI 1x HDMI 1.4a 1x VGA

Outputs

1x DVI 1x HDMI 1.3a

None

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.1

Vulkan

N/A

3.5

CUDA

-

5.1

Shader Model

5.0

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