NVIDIA GeForce GT 640 vs AMD Radeon RX Vega 64

VS

NVIDIA GeForce GT 640

AMD Radeon RX Vega 64

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 8GB VRAM Radeon RX Vega 64 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 's Advantages

Lower TDP (65W vs 295W)

AMD Radeon RX Vega 64 's Advantages

Released 5 years and 2 months late

Boost Clock1546MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (483.8GB/s vs 28.51GB/s)

3712 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640

0.693 TFLOPS

Radeon RX Vega 64 +1726%

12.66 TFLOPS

Blender

GeForce GT 640

32

Radeon RX Vega 64 +1962%

660

GeForce GT 640

VS

Radeon RX Vega 64

Graphics Card

Jun 2012

Release Date

Aug 2017

GeForce 600

Generation

Vega

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1247 MHz

-

Boost Clock

1546 MHz

891 MHz

Memory Clock

945 MHz

Memory

2GB

Memory Size

8GB

DDR3

Memory Type

HBM2

128bit

Memory Bus

2048bit

28.51GB/s

Bandwidth

483.8GB/s

Render Config

-

Compute Units

64

-

384

Shading Units

4096

32

TMUs

256

16

ROPs

64

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

4 MB

-

Theoretical Performance

7.216 GPixel/s

Pixel Rate

98.94 GPixel/s

28.86 GTexel/s

Texture Rate

395.8 GTexel/s

-

FP16 (half)

25.33 TFLOPS

692.7 GFLOPS

FP32 (float)

12.66 TFLOPS

28.86 GFLOPS

FP64 (double)

791.6 GFLOPS

Board Design

65W

TDP

295W

250 W

Suggested PSU

600 W

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

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

None

Power Connectors

2x 8-pin

Graphics Processor

GK107

GPU Name

Vega 10

GK107-300-A2

GPU Variant

Vega 10 XT (215-0894200)

Kepler

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

1.27 billion

Transistors

12.5 billion

118 mm²

Die Size

495 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

6.4

Related GPU Comparisons

1

NVIDIA GeForce GT 640 vs ATI Radeon X1600 PRO AGP

2

NVIDIA GeForce GT 640 vs NVIDIA RTX 3500 Embedded Ada Generation

3

NVIDIA GeForce GT 640 vs ATI FirePro 2450 Multi View PCIe x1

4

NVIDIA GeForce GT 640 vs ATI FirePro V3800

5

NVIDIA GeForce GT 640 vs NVIDIA GeForce RTX 4080

6

NVIDIA GeForce GT 640 vs NVIDIA GeForce GTX 1060 6 GB Rev. 2

7

NVIDIA GeForce GT 640 vs AMD Radeon R9 270 1024SP

8

NVIDIA GeForce GT 640 vs AMD Radeon RX 7500 XT

9

NVIDIA GeForce GT 640 vs AMD Radeon HD 7730

10

NVIDIA GeForce GT 640 vs AMD Radeon R7 450 OEM

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