AMD Radeon Pro W6800 vs NVIDIA GeForce GTX 645 OEM

VS

AMD Radeon Pro W6800

NVIDIA GeForce GTX 645 OEM

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro W6800 and 1024MB VRAM GeForce GTX 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro W6800 's Advantages

Released 8 years and 2 months late

Boost Clock2320MHz

More VRAM (32GB vs 1024GB)

Larger VRAM bandwidth (512.0GB/s vs 64.00GB/s)

3264 additional rendering cores

NVIDIA GeForce GTX 645 OEM 's Advantages

Lower TDP (65W vs 250W)

Score

Benchmark

FP32 (float)

Radeon Pro W6800 +1777%

17.82 TFLOPS

GeForce GTX 645 OEM

0.949 TFLOPS

Radeon Pro W6800

VS

GeForce GTX 645 OEM

Graphics Card

Jun 2021

Release Date

Apr 2013

Radeon Pro

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2075 MHz

Base Clock

-

2320 MHz

Boost Clock

-

2000 MHz

Memory Clock

1000 MHz

Memory

32GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

512.0GB/s

Bandwidth

64.00GB/s

Render Config

60

Compute Units

-

3840

Shading Units

576

240

TMUs

48

96

ROPs

16

-

60

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per SMX)

4 MB

L2 Cache

256 KB

128 MB

L3 Cache

-

Theoretical Performance

222.7 GPixel/s

Pixel Rate

9.888 GPixel/s

556.8 GTexel/s

Texture Rate

39.55 GTexel/s

35.64 TFLOPS

FP16 (half)

-

17.82 TFLOPS

FP32 (float)

949.2 GFLOPS

1114 GFLOPS

FP64 (double)

39.55 GFLOPS

Board Design

250W

TDP

65W

600 W

Suggested PSU

250 W

6x mini-DisplayPort 1.4a

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Navi 21

GPU Name

GK106

-

GPU Variant

GK106-200-A1

RDNA 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

26.8 billion

Transistors

2.54 billion

520 mm²

Die Size

221 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.1

-

CUDA

3.0

6.5

Shader Model

5.1

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