Intel UHD Graphics 770 vs Intel Iris Plus Graphics 645

Comparative analysis of Intel UHD Graphics 770 and Intel Iris Plus Graphics 645 videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, API support, Memory, Technologies. Benchmark videocards performance analysis: PassMark - G2D Mark, PassMark - G3D Mark, Geekbench - OpenCL, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), 3DMark Fire Strike - Graphics Score, GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps).

Intel UHD Graphics 770

Intel Iris Plus Graphics 645

Differences

Reasons to consider the Intel UHD Graphics 770

Videocard is newer: launch date 2 year(s) 3 month(s) later
Around 26% higher boost clock speed: 1450 MHz vs 1150 MHz
5.3x more pipelines: 256 vs 48
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 10 nm vs 14 nm
Around 31% better performance in PassMark - G2D Mark: 512 vs 390
Around 11% better performance in PassMark - G3D Mark: 1905 vs 1716
Around 20% better performance in Geekbench - OpenCL: 7629 vs 6369

Specifications (specs)
Launch date	4 Nov 2021 vs 10 July 2019
Boost clock speed	1450 MHz vs 1150 MHz
Pipelines	256 vs 48
Manufacturing process technology	10 nm vs 14 nm
Benchmarks
PassMark - G2D Mark	512 vs 390
PassMark - G3D Mark	1905 vs 1716
Geekbench - OpenCL	7629 vs 6369

Compare benchmarks

GPU 1: Intel UHD Graphics 770
GPU 2: Intel Iris Plus Graphics 645

PassMark - G2D Mark

GPU 1

GPU 2

512

390

PassMark - G3D Mark

GPU 1

GPU 2

1905

1716

Geekbench - OpenCL

GPU 1

GPU 2

7629

6369

Name	Intel UHD Graphics 770	Intel Iris Plus Graphics 645
PassMark - G2D Mark	512	390
PassMark - G3D Mark	1905	1716
Geekbench - OpenCL	7629	6369
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	46.442
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	1011.7
CompuBench 1.5 Desktop - T-Rex (Frames/s)	2.846
CompuBench 1.5 Desktop - Video Composition (Frames/s)	40.941
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	94.384
3DMark Fire Strike - Graphics Score	738
GFXBench 4.0 - Manhattan (Frames)		1780
GFXBench 4.0 - Manhattan (Fps)		1780
GFXBench 4.0 - T-Rex (Frames)		2992
GFXBench 4.0 - T-Rex (Fps)		2992
GFXBench 4.0 - Car Chase Offscreen (Frames)		2792
GFXBench 4.0 - Car Chase Offscreen (Fps)		2792

Compare specifications (specs)

	Intel UHD Graphics 770	Intel Iris Plus Graphics 645
Essentials
Architecture	Generation 12.2	Intel Gen. 9.5 (Coffee Lake)
Code name	Alder Lake GT1	Kaby Lake GT3e
Launch date	4 Nov 2021	10 July 2019
Place in performance rating	814	816
Type	Desktop	Laptop
Technical info
Boost clock speed	1450 MHz	1150 MHz
Compute units	32
Core clock speed	300 MHz	300 MHz
Manufacturing process technology	10 nm	14 nm
Peak Double Precision (FP64) Performance	185.6 GFLOPS (1:4)
Peak Half Precision (FP16) Performance	1485 GFLOPS (2:1)
Peak Single Precision (FP32) Performance	742.4 GFLOPS
Pipelines	256	48
Pixel fill rate	11.60 GPixel/s
Texture fill rate	23.20 GTexel/s
Thermal Design Power (TDP)	15 Watt	15 Watt
Video outputs and ports
Display Connectors	No outputs
DisplayPort support
eDP 1.2 signal support		Yes
HDMI
API support
DirectX	12.0 (12_1)	12
OpenCL	3.0
OpenGL	4.6
Shader Model	6.4
Vulkan
Memory
Memory type		DDR3/DDR4
Shared memory		Yes
Technologies
H265/HEVC Decode
Quick Sync