Logo

Radeon HD 4890 and UHD Graphics 620 - video card comparison


Passmark - benchmark score Radeon HD 4890 vs UHD Graphics 620

Radeon HD 4890
1552
UHD Graphics 620
1061

Radeon HD 4890

UHD Graphics 620


Architecture
TeraScale (2005−2013)
Gen. 9.5 (2017)

GPU code name
RV790
Kaby-Lake-Refresh GT2

Market segment
Desktop
Laptop

Release date
April 2009
September 2017

Interface
PCIe 2.0 x16
PCIe 3.0 x1

Supplementary power connectors
2x 6-pin
-

Boost clock speed
-
1150 MHz

Core clock speed
850 MHz
300 MHz

Floating-point performance
1,360.0 gflops
-

Manufacturing process technology
55 nm
14 nm

Number of transistors
959 million
189 million

Pipelines / CUDA cores
800
24

Power consumption (TDP)
190 Watt
15 Watt

Texture fill rate
34.00
27.60

Memory type
GDDR5
LPDDR3/DDR4

Maximum RAM amount
1 GB
32 GB

Memory bus width
256 Bit
System Shared

Memory clock speed
3900 MHz
System Shared

Memory bandwidth
124.8 GB/s
-

Shared memory
-
+

Display Connectors
2x DVI, 1x S-Video
No outputs

DirectX
10.1 (10_1)
12 (12_1)

OpenCL
1.1
2.1

OpenGL
3.3
4.6

Shader Model
4.1
6.4

Vulkan
N/A
1.1.103

Quick Sync
-
+