Intel HD Graphics 620 vs AMD Radeon HD 7970 GHz Edition
We compared a Integrated graphics card GPU: 0System Shared VRAM HD Graphics 620 and a Desktop platform GPU: 3GB VRAM Radeon HD 7970 GHz Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Intel HD Graphics 620 's Advantages
Released 4 years and 2 months late
Lower TDP (15W vs 300W)
AMD Radeon HD 7970 GHz Edition 's Advantages
Boost Clock has increased by 5% (1050MHz vs 1000MHz)
1856 additional rendering cores
Score
Benchmark
FP32 (float)
HD Graphics 620
0.384 TFLOPS
Radeon HD 7970 GHz Edition
+1020%
4.301 TFLOPS
Graphics Card
Aug 2016
Release Date
Jun 2012
HD Graphics-M
Generation
Southern Islands
Integrated
Type
Desktop
Ring Bus
Bus Interface
PCIe 3.0 x16
Clock Speeds
300 MHz
Base Clock
1000 MHz
1000 MHz
Boost Clock
1050 MHz
System Shared
Memory Clock
1500 MHz
Memory
System Shared
Memory Size
3GB
System Shared
Memory Type
GDDR5
System Shared
Memory Bus
384bit
System Dependent
Bandwidth
288.0GB/s
Render Config
-
Compute Units
32
-
-
-
192
Shading Units
2048
24
TMUs
128
3
ROPs
32
-
-
-
-
-
-
-
L1 Cache
16 KB (per CU)
-
L2 Cache
768 KB
-
-
-
Theoretical Performance
3.000 GPixel/s
Pixel Rate
33.60 GPixel/s
24.00 GTexel/s
Texture Rate
134.4 GTexel/s
768.0 GFLOPS
FP16 (half)
-
384.0 GFLOPS
FP32 (float)
4.301 TFLOPS
96.00 GFLOPS
FP64 (double)
1075 GFLOPS
Board Design
15W
TDP
300W
-
Suggested PSU
700 W
No outputs
Outputs
1x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
-
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
Kaby Lake GT2
GPU Name
Tahiti
-
GPU Variant
Tahiti XT2
(215-0821065)
Generation 9.5
Architecture
GCN 1.0
Intel
Foundry
TSMC
14 nm++
Process Size
28 nm
Unknown
Transistors
4.313 billion
Unknown
Die Size
352 mm²
Graphics Features
12 (12_1)
DirectX
12 (11_1)
4.6
OpenGL
4.6
3.0
OpenCL
1.2
1.3
Vulkan
1.2
-
-
-
6.4
Shader Model
5.1
