NVIDIA GeForce GT 640 vs NVIDIA GeForce GT 630 Rev. 2

VS

NVIDIA GeForce GT 640

NVIDIA GeForce GT 630 Rev. 2

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 2GB VRAM GeForce GT 630 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 's Advantages

Larger VRAM bandwidth (28.51GB/s vs 14.40GB/s)

NVIDIA GeForce GT 630 Rev. 2 's Advantages

Released 11 months late

Lower TDP (25W vs 65W)

Score

Benchmark

FP32 (float)

GeForce GT 640

0.693 TFLOPS

GeForce GT 630 Rev. 2

0.693 TFLOPS

GeForce GT 640

VS

GeForce GT 630 Rev. 2

Graphics Card

Jun 2012

Release Date

May 2013

GeForce 600

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x8

Clock Speeds

-

891 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

28.51GB/s

Bandwidth

14.40GB/s

Render Config

-

384

Shading Units

384

32

TMUs

32

16

ROPs

8

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

7.216 GPixel/s

Pixel Rate

7.216 GPixel/s

28.86 GTexel/s

Texture Rate

28.86 GTexel/s

-

692.7 GFLOPS

FP32 (float)

692.7 GFLOPS

28.86 GFLOPS

FP64 (double)

28.86 GFLOPS

Board Design

65W

TDP

25W

250 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

None

Power Connectors

None

Graphics Processor

GK107

GPU Name

GK208

GK107-300-A2

GPU Variant

GK208-301-A1

Kepler

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

1.02 billion

118 mm²

Die Size

87 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.1

3.0

CUDA

3.5

5.1

Shader Model

5.1

Related GPU Comparisons

1

NVIDIA GeForce GT 640 vs AMD Radeon HD 6990

2

NVIDIA GeForce GT 640 vs NVIDIA GeForce 510 OEM

3

NVIDIA GeForce GT 640 vs NVIDIA GeForce GTX 780

4

NVIDIA GeForce GT 640 vs NVIDIA GeForce 9300 GS

5

NVIDIA GeForce GT 640 vs NVIDIA GeForce GT 640 OEM

6

NVIDIA GeForce GT 640 vs AMD Radeon R7 240 OEM

7

NVIDIA GeForce GT 640 vs AMD Radeon RX 5700 XT 50th Anniversary

8

NVIDIA GeForce GT 640 vs NVIDIA GeForce 9600 GS OEM

9

NVIDIA GeForce GT 640 vs ATI Radeon HD 5570 OEM

10

NVIDIA GeForce GT 640 vs NVIDIA GeForce GTS 450 Rev. 3

Related News

1

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

2

CXMT Reportedly Achieves 80% Yield in DDR5 Production

3

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

4

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

5

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

6

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

7

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

8

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

9

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

10

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip