AMD Radeon 620 vs NVIDIA GeForce 6800 XT

Comparative analysis of AMD Radeon 620 and NVIDIA GeForce 6800 XT videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory. Benchmark videocards performance analysis: GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps), PassMark - G2D Mark, PassMark - G3D Mark.

AMD Radeon 620

NVIDIA GeForce 6800 XT

Differences

Reasons to consider the AMD Radeon 620

Videocard is newer: launch date 13 year(s) 7 month(s) later
2.4x more core clock speed: 730 MHz vs 300 MHz
4551.9x more texture fill rate: 24.58 GTexel/s vs 5.4 GTexel / s
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 110 nm
8x more maximum memory size: 2 GB vs 256 MB
Around 69% higher memory clock speed: 900 MHz (1800 MHz effective) vs 532 MHz
Around 68% better performance in PassMark - G2D Mark: 205 vs 122
7.3x better performance in PassMark - G3D Mark: 897 vs 123

Specifications (specs)
Launch date	13 May 2019 vs 30 September 2005
Core clock speed	730 MHz vs 300 MHz
Texture fill rate	24.58 GTexel/s vs 5.4 GTexel / s
Manufacturing process technology	28 nm vs 110 nm
Maximum memory size	2 GB vs 256 MB
Memory clock speed	900 MHz (1800 MHz effective) vs 532 MHz
Benchmarks
PassMark - G2D Mark	205 vs 122
PassMark - G3D Mark	897 vs 123

Compare benchmarks

GPU 1: AMD Radeon 620
GPU 2: NVIDIA GeForce 6800 XT

PassMark - G2D Mark

GPU 1

GPU 2

205

122

PassMark - G3D Mark

GPU 1

GPU 2

897

123

Name	AMD Radeon 620	NVIDIA GeForce 6800 XT
GFXBench 4.0 - Car Chase Offscreen (Frames)	1991
GFXBench 4.0 - Car Chase Offscreen (Fps)	1991
GFXBench 4.0 - Manhattan (Frames)	694
GFXBench 4.0 - Manhattan (Fps)	694
GFXBench 4.0 - T-Rex (Frames)	1116
GFXBench 4.0 - T-Rex (Fps)	1116
PassMark - G2D Mark	205	122
PassMark - G3D Mark	897	123

Compare specifications (specs)

	AMD Radeon 620	NVIDIA GeForce 6800 XT
Essentials
Architecture	GCN 3.0	Curie
Code name	Polaris 24	NV48
Launch date	13 May 2019	30 September 2005
Place in performance rating	1248	1246
Type	Laptop	Desktop
Technical info
Boost clock speed	1024 MHz
Compute units	6
Core clock speed	730 MHz	300 MHz
Manufacturing process technology	28 nm	110 nm
Peak Double Precision (FP64) Performance	49.15 GFLOPS (1:16)
Peak Half Precision (FP16) Performance	786.4 GFLOPS (1:1)
Peak Single Precision (FP32) Performance	786.4 GFLOPS
Pipelines	384
Pixel fill rate	8.192 GPixel/s
Texture fill rate	24.58 GTexel/s	5.4 GTexel / s
Thermal Design Power (TDP)	50 Watt
Transistor count	1550 million	222 million
Video outputs and ports
Display Connectors	No outputs	1x DVI, 1x VGA, 1x S-Video
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x8	AGP 8x
Supplementary power connectors	None	1x Molex
Width	IGP
API support
DirectX	12	9.0c
OpenCL	2.0
OpenGL	4.6	2.1
Shader Model	6.3
Vulkan
Memory
Maximum RAM amount	2 GB	256 MB
Memory bandwidth	14.40 GB/s	38.4 GB / s
Memory bus width	64 bit	256 Bit
Memory clock speed	900 MHz (1800 MHz effective)	532 MHz
Memory type	DDR3	GDDR3