AMD Radeon R5 235 OEM vs NVIDIA GeForce GT 640 Rev. 2

VS

AMD Radeon R5 235 OEM

NVIDIA GeForce GT 640 Rev. 2

We compared two Desktop platform GPUs: 1024MB VRAM Radeon R5 235 OEM and 1024MB VRAM GeForce GT 640 Rev. 2 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 7 months late

Lower TDP (35W vs 49W)

NVIDIA GeForce GT 640 Rev. 2 's Advantages

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

224 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 235 OEM

0.248 TFLOPS

GeForce GT 640 Rev. 2 +223%

0.803 TFLOPS

Radeon R5 235 OEM

VS

GeForce GT 640 Rev. 2

Graphics Card

Dec 2013

Release Date

May 2013

Volcanic Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x8

Clock Speeds

-

900 MHz

Memory Clock

1252 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

64bit

14.40GB/s

Bandwidth

40.06GB/s

Render Config

2

Compute Units

-

160

Shading Units

384

8

TMUs

32

4

ROPs

8

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

3.100 GPixel/s

Pixel Rate

8.368 GPixel/s

6.200 GTexel/s

Texture Rate

33.47 GTexel/s

-

248.0 GFLOPS

FP32 (float)

803.3 GFLOPS

-

FP64 (double)

33.47 GFLOPS

Board Design

35W

TDP

49W

200 W

Suggested PSU

200 W

1x DVI 1x HDMI 1.3a

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

None

Power Connectors

None

Graphics Processor

Caicos

GPU Name

GK208

Caicos XT (215-0804070)

GPU Variant

GK208-400-A1

TeraScale 2

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.37 billion

Transistors

1.02 billion

67 mm²

Die Size

87 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.5

5.0

Shader Model

5.1

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