AMD Radeon HD 7870 GHz Edition vs Intel Arc Pro A40
GPU Specs Compare
Graphics Card
Release Date
Mar 2012
Aug 2022
Generation
Southern Islands
Alchemist
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8
Clock Speeds
Memory Clock
1200 MHz
2000 MHz
Base Clock
-
1500 MHz
Boost Clock
-
1700 MHz
Memory
Memory Size
2GB
6GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
96bit
Bandwidth
153.6GB/s
192.0GB/s
Render Config
Compute Units
20
-
Shading Units
1280
1024
TMUs
80
64
ROPs
32
32
L1 Cache
16 KB (per CU)
-
L2 Cache
512 KB
4 MB
RT Cores
-
8
Theoretical Performance
Pixel Rate
32.00 GPixel/s
54.40 GPixel/s
Texture Rate
80.00 GTexel/s
108.8 GTexel/s
FP32 (float)
2.560 TFLOPS
3.482 TFLOPS
FP64 (double)
160.0 GFLOPS
870.4 GFLOPS
FP16 (half)
-
6.963 TFLOPS
Graphics Processor
GPU Name
Pitcairn
DG2-128
GPU Variant
Pitcairn XT(215-0828047)
ACM-G11
Architecture
GCN 1.0
Generation 12.7
Foundry
TSMC
TSMC
Process Size
28 nm
6 nm
Transistors
2.8 billion
7.2 billion
Die Size
212 mm²
157 mm²
Board Design
TDP
175W
50W
Suggested PSU
450 W
250 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
4x mini-DisplayPort 2.0
Power Connectors
2x 6-pin
None
Graphics Features
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
1.2
3.0
Vulkan
1.2
1.3
Shader Model
5.1
6.6