NVIDIA GeForce GTX 645 OEM vs AMD Radeon RX 7950 XTX

VS

NVIDIA GeForce GTX 645 OEM

AMD Radeon RX 7950 XTX

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 645 OEM and 24GB VRAM Radeon RX 7950 XTX 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 355W)

AMD Radeon RX 7950 XTX 's Advantages

Boost Clock3300MHz

More VRAM (24GB vs 1024GB)

Larger VRAM bandwidth (960.0GB/s vs 64.00GB/s)

5568 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 645 OEM

0.949 TFLOPS

Radeon RX 7950 XTX +8445%

81.1 TFLOPS

GeForce GTX 645 OEM

VS

Radeon RX 7950 XTX

Graphics Card

Apr 2013

Release Date

Unknown

GeForce 600

Generation

Navi III

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2200 MHz

-

Boost Clock

3300 MHz

1000 MHz

Memory Clock

2500 MHz

Memory

1024MB

Memory Size

24GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

384bit

64.00GB/s

Bandwidth

960.0GB/s

Render Config

-

Compute Units

96

-

576

Shading Units

6144

48

TMUs

384

16

ROPs

192

-

RT Cores

96

16 KB (per SMX)

L1 Cache

256 KB per Array

256 KB

L2 Cache

6 MB

-

L3 Cache

96 MB

Theoretical Performance

9.888 GPixel/s

Pixel Rate

633.6 GPixel/s

39.55 GTexel/s

Texture Rate

1267 GTexel/s

-

FP16 (half)

162.2 TFLOPS

949.2 GFLOPS

FP32 (float)

81.10 TFLOPS

39.55 GFLOPS

FP64 (double)

2.534 TFLOPS

Board Design

65W

TDP

355W

250 W

Suggested PSU

750 W

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

Outputs

1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C

None

Power Connectors

2x 8-pin

Graphics Processor

GK106

GPU Name

Navi 31

GK106-200-A1

GPU Variant

Navi 31 XTX+

Kepler

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

2.54 billion

Transistors

57.7 billion

221 mm²

Die Size

529 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.2

1.1

Vulkan

1.3

3.0

CUDA

-

5.1

Shader Model

6.7

Related GPU Comparisons

1

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

2

NVIDIA GeForce GTX 645 OEM vs NVIDIA GeForce RTX 3070 6144 SP

3

NVIDIA GeForce GTX 645 OEM vs NVIDIA GeForce G100 OEM

4

NVIDIA GeForce GTX 645 OEM vs AMD FireStream 9250

5

NVIDIA GeForce GTX 645 OEM vs AMD Radeon RX 6650 XT

6

NVIDIA GeForce GTX 645 OEM vs AMD Radeon R5 430 OEM

7

NVIDIA GeForce GTX 645 OEM vs NVIDIA GeForce GTX 1050

8

NVIDIA GeForce GTX 645 OEM vs AMD Radeon RX 7700 XT

9

NVIDIA GeForce GTX 645 OEM vs NVIDIA GeForce 8300 GS

10

NVIDIA GeForce GTX 645 OEM vs NVIDIA GeForce GTX 770

Related News

1

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

2

Continuous Decline in DRAM Memory Prices: Downward Trend Intensifies

3

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

4

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

5

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

6

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

7

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

8

CXMT Reportedly Achieves 80% Yield in DDR5 Production

9

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

10

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