NVIDIA GeForce GTX 645 OEM vs AMD Radeon R9 270 1024SP

VS

NVIDIA GeForce GTX 645 OEM

AMD Radeon R9 270 1024SP

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 645 OEM and 2GB VRAM Radeon R9 270 1024SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 645 OEM 's Advantages

Lower TDP (65W vs 150W)

AMD Radeon R9 270 1024SP 's Advantages

Released 1 years and 11 months late

Boost Clock925MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (153.6GB/s vs 64.00GB/s)

448 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 645 OEM

0.949 TFLOPS

Radeon R9 270 1024SP +99%

1.894 TFLOPS

GeForce GTX 645 OEM

VS

Radeon R9 270 1024SP

Graphics Card

Apr 2013

Release Date

Mar 2015

GeForce 600

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

925 MHz

1000 MHz

Memory Clock

1200 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

153.6GB/s

Render Config

-

Compute Units

16

-

576

Shading Units

1024

48

TMUs

64

16

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

9.888 GPixel/s

Pixel Rate

29.60 GPixel/s

39.55 GTexel/s

Texture Rate

59.20 GTexel/s

-

949.2 GFLOPS

FP32 (float)

1.894 TFLOPS

39.55 GFLOPS

FP64 (double)

118.4 GFLOPS

Board Design

65W

TDP

150W

250 W

Suggested PSU

450 W

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

Outputs

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

None

Power Connectors

1x 6-pin

Graphics Processor

GK106

GPU Name

Pitcairn

GK106-200-A1

GPU Variant

Pitcairn PRO (215-0828062)

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.54 billion

Transistors

2.8 billion

221 mm²

Die Size

212 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

5.1

Related GPU Comparisons

1

NVIDIA GeForce GTX 645 OEM vs NVIDIA GeForce GTX 280

2

NVIDIA GeForce GTX 645 OEM vs AMD Radeon RX 560 XT

3

NVIDIA GeForce GTX 645 OEM vs AMD Radeon R7 350

4

NVIDIA GeForce GTX 645 OEM vs AMD Radeon Pro V340

5

NVIDIA GeForce GTX 645 OEM vs AMD Radeon Sky 900

6

NVIDIA GeForce GTX 645 OEM vs AMD Radeon RX 6650 XT

7

NVIDIA GeForce GTX 645 OEM vs ATI Radeon HD 5450 PCIe x1

8

NVIDIA GeForce GTX 645 OEM vs NVIDIA GeForce RTX 3070 Ti 16 GB

9

NVIDIA GeForce GTX 645 OEM vs ATI FireMV 2260

10

NVIDIA GeForce GTX 645 OEM vs NVIDIA GeForce 9500 GS Rev. 2

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