AMD Radeon R5 235 OEM vs NVIDIA GeForce GT 640 OEM Rebrand

VS

AMD Radeon R5 235 OEM

NVIDIA GeForce GT 640 OEM Rebrand

We compared two Desktop platform GPUs: 1024MB VRAM Radeon R5 235 OEM and 1536MB VRAM GeForce GT 640 OEM Rebrand to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 235 OEM 's Advantages

Released 1 years and 8 months late

16 additional rendering cores

Lower TDP (35W vs 75W)

NVIDIA GeForce GT 640 OEM Rebrand 's Advantages

More VRAM (1536GB vs 1024GB)

Larger VRAM bandwidth (38.40GB/s vs 14.40GB/s)

Score

Benchmark

FP32 (float)

Radeon R5 235 OEM

0.248 TFLOPS

GeForce GT 640 OEM Rebrand +67%

0.415 TFLOPS

Radeon R5 235 OEM

VS

GeForce GT 640 OEM Rebrand

Graphics Card

Dec 2013

Release Date

Apr 2012

Volcanic Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

1536MB

DDR3

Memory Type

DDR3

64bit

Memory Bus

192bit

14.40GB/s

Bandwidth

38.40GB/s

Render Config

2

Compute Units

-

SM Count

3

160

Shading Units

144

8

TMUs

24

4

ROPs

24

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

128 KB

L2 Cache

384 KB

-

Theoretical Performance

3.100 GPixel/s

Pixel Rate

4.320 GPixel/s

6.200 GTexel/s

Texture Rate

17.28 GTexel/s

-

248.0 GFLOPS

FP32 (float)

414.7 GFLOPS

-

FP64 (double)

34.56 GFLOPS

Board Design

35W

TDP

75W

200 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.3a

Outputs

2x DVI 1x mini-HDMI 1.3a

None

Power Connectors

None

Graphics Processor

Caicos

GPU Name

GF116

Caicos XT (215-0804070)

GPU Variant

GF116-150-A1

TeraScale 2

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.37 billion

Transistors

1.17 billion

67 mm²

Die Size

238 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

5.0

Shader Model

5.1

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