AMD Radeon Pro Duo vs NVIDIA GeForce GT 640 OEM

VS

AMD Radeon Pro Duo

NVIDIA GeForce GT 640 OEM

We compared two Desktop platform GPUs: 4GB VRAM Radeon Pro Duo and 2GB VRAM GeForce GT 640 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro Duo 's Advantages

Released 4 years late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 28.51GB/s)

3712 additional rendering cores

NVIDIA GeForce GT 640 OEM 's Advantages

Lower TDP (50W vs 350W)

Score

Benchmark

FP32 (float)

Radeon Pro Duo +1238%

8.192 TFLOPS

GeForce GT 640 OEM

0.612 TFLOPS

Radeon Pro Duo

VS

GeForce GT 640 OEM

Graphics Card

Apr 2016

Release Date

Apr 2012

Radeon Pro

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

500 MHz

Memory Clock

891 MHz

Memory

4GB

Memory Size

2GB

HBM

Memory Type

DDR3

4096bit

Memory Bus

128bit

512.0GB/s

Bandwidth

28.51GB/s

Render Config

64

Compute Units

-

4096

Shading Units

384

256

TMUs

32

64

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

64.00 GPixel/s

Pixel Rate

6.376 GPixel/s

256.0 GTexel/s

Texture Rate

25.50 GTexel/s

8.192 TFLOPS

FP16 (half)

-

8.192 TFLOPS

FP32 (float)

612.1 GFLOPS

512.0 GFLOPS

FP64 (double)

25.50 GFLOPS

Board Design

350W

TDP

50W

750 W

Suggested PSU

250 W

1x HDMI 1.4a 3x DisplayPort 1.2

Outputs

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

3x 8-pin

Power Connectors

None

Graphics Processor

Capsaicin

GPU Name

GK107

Capsaicin XT

GPU Variant

GK107-320-A2

GCN 3.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

8.9 billion

Transistors

1.27 billion

596 mm²

Die Size

118 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

6.0

Shader Model

5.1

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