NVIDIA GeForce GT 640 OEM Rebrand vs AMD Radeon R9 270X

VS

NVIDIA GeForce GT 640 OEM Rebrand

AMD Radeon R9 270X

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 640 OEM Rebrand and 2GB VRAM Radeon R9 270X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 OEM Rebrand 's Advantages

Lower TDP (75W vs 180W)

AMD Radeon R9 270X 's Advantages

Released 1 years and 6 months late

Boost Clock1050MHz

More VRAM (2GB vs 1536GB)

Larger VRAM bandwidth (179.2GB/s vs 38.40GB/s)

1136 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640 OEM Rebrand

0.415 TFLOPS

Radeon R9 270X +547%

2.688 TFLOPS

GeForce GT 640 OEM Rebrand

VS

Radeon R9 270X

Graphics Card

Apr 2012

Release Date

Oct 2013

GeForce 600

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1050 MHz

800 MHz

Memory Clock

1400 MHz

Memory

1536MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

192bit

Memory Bus

256bit

38.40GB/s

Bandwidth

179.2GB/s

Render Config

-

Compute Units

20

3

SM Count

-

144

Shading Units

1280

24

TMUs

80

24

ROPs

32

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

512 KB

-

Theoretical Performance

4.320 GPixel/s

Pixel Rate

33.60 GPixel/s

17.28 GTexel/s

Texture Rate

84.00 GTexel/s

-

414.7 GFLOPS

FP32 (float)

2.688 TFLOPS

34.56 GFLOPS

FP64 (double)

168.0 GFLOPS

Board Design

75W

TDP

180W

250 W

Suggested PSU

450 W

2x DVI 1x mini-HDMI 1.3a

Outputs

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

None

Power Connectors

2x 6-pin

Graphics Processor

GF116

GPU Name

Curacao

GF116-150-A1

GPU Variant

Curacao XT (215-0848004)

Fermi 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.17 billion

Transistors

2.8 billion

238 mm²

Die Size

212 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

Related GPU Comparisons

1

NVIDIA GeForce GT 640 OEM Rebrand vs NVIDIA GeForce 8400

2

NVIDIA GeForce GT 640 OEM Rebrand vs ATI Radeon HD 3850 X3

3

NVIDIA GeForce GT 640 OEM Rebrand vs NVIDIA GeForce 8300 GS

4

NVIDIA GeForce GT 640 OEM Rebrand vs NVIDIA GeForce 7950 GT AGP

5

NVIDIA GeForce GT 640 OEM Rebrand vs AMD Radeon Pro W6800X

6

NVIDIA GeForce GT 640 OEM Rebrand vs NVIDIA GeForce 7600 GT AGP

7

NVIDIA GeForce GT 640 OEM Rebrand vs ATI Radeon HD 4350 PCIe x1

8

NVIDIA GeForce GT 640 OEM Rebrand vs NVIDIA GeForce GTX 970

9

NVIDIA GeForce GT 640 OEM Rebrand vs ATI FirePro V9800P

10

NVIDIA GeForce GT 640 OEM Rebrand vs AMD Radeon PRO V710

Related News

1

Continuous Decline in DRAM Memory Prices: Downward Trend Intensifies

2

NVIDIA GB202 Chip Unveiled for the First Time, to be Used in RTX 5090 with 512-bit GDDR7 Memory

3

Strix Halo Integrated Graphics Score Appears on Passmark, Currently Slightly Below RTX 3060 12GB

4

AMD Unveils New RX 9070 XT Graphics Card Performance: Positioned Between RX 7900 GRE and RX 7900 XT

5

Double the Excitement! AMD FSR 4.0 to Launch Alongside RX 9070 XT Graphics Card

6

CPU-Z Minor Update: Support for Intel's Four New Products and New Memory

7

CXMT Reportedly Achieves 80% Yield in DDR5 Production

8

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

9

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

10

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps