NVIDIA GeForce GTX 645 OEM vs AMD Radeon HD 7950 Mac Edition

VS

NVIDIA GeForce GTX 645 OEM

AMD Radeon HD 7950 Mac Edition

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 645 OEM and 3GB VRAM Radeon HD 7950 Mac Edition 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 200W)

AMD Radeon HD 7950 Mac Edition 's Advantages

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (240.0GB/s vs 64.00GB/s)

1216 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 645 OEM

0.949 TFLOPS

Radeon HD 7950 Mac Edition +202%

2.867 TFLOPS

GeForce GTX 645 OEM

VS

Radeon HD 7950 Mac Edition

Graphics Card

Apr 2013

Release Date

Mar 2013

GeForce 600

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

384bit

64.00GB/s

Bandwidth

240.0GB/s

Render Config

-

Compute Units

28

-

576

Shading Units

1792

48

TMUs

112

16

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

768 KB

-

Theoretical Performance

9.888 GPixel/s

Pixel Rate

25.60 GPixel/s

39.55 GTexel/s

Texture Rate

89.60 GTexel/s

-

949.2 GFLOPS

FP32 (float)

2.867 TFLOPS

39.55 GFLOPS

FP64 (double)

716.8 GFLOPS

Board Design

65W

TDP

200W

250 W

Suggested PSU

550 W

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

Outputs

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

None

Power Connectors

2x 6-pin

Graphics Processor

GK106

GPU Name

Tahiti

GK106-200-A1

GPU Variant

Tahiti PRO (215-0821056)

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.54 billion

Transistors

4.313 billion

221 mm²

Die Size

352 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 AMD Radeon R7 250

2

NVIDIA GeForce GTX 645 OEM vs NVIDIA GeForce GTX 650 Ti Boost

3

NVIDIA GeForce GTX 645 OEM vs AMD Radeon HD 6790

4

NVIDIA GeForce GTX 645 OEM vs AMD Radeon RX 6500 XT

5

NVIDIA GeForce GTX 645 OEM vs AMD FireStream 9370

6

NVIDIA GeForce GTX 645 OEM vs AMD Radeon HD 7670 OEM

7

NVIDIA GeForce GTX 645 OEM vs NVIDIA GeForce GTX 660 Rev. 2

8

NVIDIA GeForce GTX 645 OEM vs ATI Radeon HD 4570

9

NVIDIA GeForce GTX 645 OEM vs AMD Radeon RX Vega 64 Limited Edition

10

NVIDIA GeForce GTX 645 OEM vs AMD FirePro RG220

Related News

1

Intel's Entry-Level CPU Core Ultra 3 205 Spotted: Only One Model Available

2

Introducing the AMD Ryzen 9 9955HX: A First Look at the Flagship Gaming Laptop CPU

3

AMD's Thunderous Strike: Ryzen 9 9950X3D Performance Scores Revealed for the First Time!

4

Continuous Decline in DRAM Memory Prices: Downward Trend Intensifies

5

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

6

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

7

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

8

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

9

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

10

CXMT Reportedly Achieves 80% Yield in DDR5 Production