Intel Arc A770M vs AMD Radeon HD 7870 XT
GPU · Specs Compare
Graphics Card
Release Date
Jan 2022
Nov 2012
Generation
Alchemist
Southern Islands
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
300 MHz
925 MHz
Boost Clock
1650 MHz
975 MHz
Memory Clock
2000 MHz
1500 MHz
Memory
Memory Size
16GB
2GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
256bit
Bandwidth
512.0GB/s
192.0GB/s
Render Config
Shading Units
4096
1536
TMUs
256
96
ROPs
128
32
RT Cores
32
—
L2 Cache
16 MB
512 KB
Compute Units
—
24
L1 Cache
—
16 KB (per CU)
Theoretical Performance
Pixel Rate
211.2 GPixel/s
31.20 GPixel/s
Texture Rate
422.4 GTexel/s
93.60 GTexel/s
FP16 (half)
27.03 TFLOPS
—
FP32 (float)
13.52 TFLOPS
2.995 TFLOPS
FP64 (double)
—
748.8 GFLOPS
Graphics Processor
GPU Name
DG2-512
Tahiti
GPU Variant
ACM-G10
Tahiti LE(215-0821122)
Architecture
Generation 12.7
GCN 1.0
Foundry
TSMC
TSMC
Process Size
6 nm
28 nm
Transistors
21.7 billion
4.313 billion
Die Size
406 mm²
352 mm²
Board Design
TDP
120W
185W
Outputs
No outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Suggested PSU
—
450 W
Power Connectors
—
2x 6-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
3.0
1.2
Vulkan
1.3
1.2
Shader Model
6.6
5.1
Benchmark
Blender
1,714
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.