NVIDIA GeForce GT 640 OEM Rebrand vs AMD Radeon R7 350 OEM

VS

NVIDIA GeForce GT 640 OEM Rebrand

AMD Radeon R7 350 OEM

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 640 OEM Rebrand and 2GB VRAM Radeon R7 350 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 350 OEM 's Advantages

Released 3 years and 1 months late

Boost Clock1050MHz

More VRAM (2GB vs 1536GB)

Larger VRAM bandwidth (73.60GB/s vs 38.40GB/s)

240 additional rendering cores

Lower TDP (65W vs 75W)

Score

Benchmark

FP32 (float)

GeForce GT 640 OEM Rebrand

0.415 TFLOPS

Radeon R7 350 OEM +94%

0.806 TFLOPS

GeForce GT 640 OEM Rebrand

VS

Radeon R7 350 OEM

Graphics Card

Apr 2012

Release Date

May 2015

GeForce 600

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1050 MHz

800 MHz

Memory Clock

1150 MHz

Memory

1536MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

192bit

Memory Bus

128bit

38.40GB/s

Bandwidth

73.60GB/s

Render Config

-

Compute Units

6

3

SM Count

-

144

Shading Units

384

24

TMUs

24

ROPs

8

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

256 KB

-

Theoretical Performance

4.320 GPixel/s

Pixel Rate

8.400 GPixel/s

17.28 GTexel/s

Texture Rate

25.20 GTexel/s

-

414.7 GFLOPS

FP32 (float)

806.4 GFLOPS

34.56 GFLOPS

FP64 (double)

50.40 GFLOPS

Board Design

75W

TDP

65W

250 W

Suggested PSU

250 W

2x DVI 1x mini-HDMI 1.3a

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

None

Power Connectors

None

Graphics Processor

GF116

GPU Name

Oland

GF116-150-A1

GPU Variant

Oland XT (215-0837000)

Fermi 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.17 billion

Transistors

0.95 billion

238 mm²

Die Size

77 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

2.1

CUDA

-

5.1

Shader Model

5.1

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