AMD Radeon R7 450 OEM vs NVIDIA GeForce GT 640 OEM

VS

AMD Radeon R7 450 OEM

NVIDIA GeForce GT 640 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 450 OEM 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 R7 450 OEM 's Advantages

Released 4 years and 2 months late

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

128 additional rendering cores

NVIDIA GeForce GT 640 OEM 's Advantages

Lower TDP (50W vs 65W)

Score

Benchmark

FP32 (float)

Radeon R7 450 OEM +54%

0.947 TFLOPS

GeForce GT 640 OEM

0.612 TFLOPS

Radeon R7 450 OEM

VS

GeForce GT 640 OEM

Graphics Card

Jun 2016

Release Date

Apr 2012

Arctic Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1125 MHz

Memory Clock

891 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

72.00GB/s

Bandwidth

28.51GB/s

Render Config

8

Compute Units

-

512

Shading Units

384

32

TMUs

32

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

14.80 GPixel/s

Pixel Rate

6.376 GPixel/s

29.60 GTexel/s

Texture Rate

25.50 GTexel/s

-

947.2 GFLOPS

FP32 (float)

612.1 GFLOPS

59.20 GFLOPS

FP64 (double)

25.50 GFLOPS

Board Design

65W

TDP

50W

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

Cape Verde

GPU Name

GK107

Cape Verde PRO2

GPU Variant

GK107-320-A2

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

1.27 billion

123 mm²

Die Size

118 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

3.0

1.2.170

Vulkan

1.1

-

CUDA

3.0

6.5 (5.1)

Shader Model

5.1

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