NVIDIA GeForce GT 640 OEM Rebrand vs AMD Radeon Sky 700

VS

NVIDIA GeForce GT 640 OEM Rebrand

AMD Radeon Sky 700

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 640 OEM Rebrand and 6GB VRAM Radeon Sky 700 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 225W)

AMD Radeon Sky 700 's Advantages

Released 11 months late

More VRAM (6GB vs 1536GB)

Larger VRAM bandwidth (264.0GB/s vs 38.40GB/s)

1648 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640 OEM Rebrand

0.415 TFLOPS

Radeon Sky 700 +677%

3.226 TFLOPS

GeForce GT 640 OEM Rebrand

VS

Radeon Sky 700

Graphics Card

Apr 2012

Release Date

Mar 2013

GeForce 600

Generation

Radeon Sky

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

800 MHz

Memory Clock

1375 MHz

Memory

1536MB

Memory Size

6GB

DDR3

Memory Type

GDDR5

192bit

Memory Bus

384bit

38.40GB/s

Bandwidth

264.0GB/s

Render Config

-

Compute Units

28

3

SM Count

-

144

Shading Units

1792

24

TMUs

112

24

ROPs

32

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

768 KB

-

Theoretical Performance

4.320 GPixel/s

Pixel Rate

28.80 GPixel/s

17.28 GTexel/s

Texture Rate

100.8 GTexel/s

-

414.7 GFLOPS

FP32 (float)

3.226 TFLOPS

34.56 GFLOPS

FP64 (double)

806.4 GFLOPS

Board Design

75W

TDP

225W

250 W

Suggested PSU

550 W

2x DVI 1x mini-HDMI 1.3a

Outputs

1x DisplayPort 1.2

None

Power Connectors

1x 8-pin

Graphics Processor

GF116

GPU Name

Tahiti

GF116-150-A1

GPU Variant

Tahiti PRO GL

Fermi 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.17 billion

Transistors

4.313 billion

238 mm²

Die Size

352 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 GS Rev. 2

2

NVIDIA GeForce GT 640 OEM Rebrand vs ATI Radeon HD 5850

3

NVIDIA GeForce GT 640 OEM Rebrand vs AMD Radeon RX 6600 XT

4

NVIDIA GeForce GT 640 OEM Rebrand vs NVIDIA P106 090

5

NVIDIA GeForce GT 640 OEM Rebrand vs ATI Radeon HD 2600 XT

6

NVIDIA GeForce GT 640 OEM Rebrand vs ATI Radeon HD 5550

7

NVIDIA GeForce GT 640 OEM Rebrand vs AMD Radeon HD 7790

8

NVIDIA GeForce GT 640 OEM Rebrand vs AMD Radeon RX 6950 XT

9

NVIDIA GeForce GT 640 OEM Rebrand vs NVIDIA GeForce GTX 1650 GDDR6

10

NVIDIA GeForce GT 640 OEM Rebrand vs NVIDIA GeForce RTX 3070

Related News

1

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

2

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

3

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

4

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

5

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

6

CXMT Reportedly Achieves 80% Yield in DDR5 Production

7

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

8

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

9

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

10

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