AMD Radeon HD 7970 vs Intel Arc A770M
GPU · Specs Compare
Graphics Card
Release Date
Jan 2012
Jan 2022
Generation
Southern Islands
Alchemist
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1375 MHz
2000 MHz
Base Clock
—
300 MHz
Boost Clock
—
1650 MHz
Memory
Memory Size
3GB
16GB
Memory Type
GDDR5
GDDR6
Memory Bus
384bit
256bit
Bandwidth
264.0GB/s
512.0GB/s
Render Config
Compute Units
32
—
Shading Units
2048
4096
TMUs
128
256
ROPs
32
128
L1 Cache
16 KB (per CU)
—
L2 Cache
768 KB
16 MB
RT Cores
—
32
Theoretical Performance
Pixel Rate
29.60 GPixel/s
211.2 GPixel/s
Texture Rate
118.4 GTexel/s
422.4 GTexel/s
FP32 (float)
3.789 TFLOPS
13.52 TFLOPS
FP64 (double)
947.2 GFLOPS
—
FP16 (half)
—
27.03 TFLOPS
Graphics Processor
GPU Name
Tahiti
DG2-512
GPU Variant
Tahiti XT(215-0821060)
ACM-G10
Architecture
GCN 1.0
Generation 12.7
Foundry
TSMC
TSMC
Process Size
28 nm
6 nm
Transistors
4.313 billion
21.7 billion
Die Size
352 mm²
406 mm²
Board Design
TDP
250W
120W
Suggested PSU
600 W
—
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
No outputs
Power Connectors
1x 6-pin + 1x 8-pin
—
Graphics Features
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1 (1.2)
3.0
Vulkan
1.2.170
1.3
Shader Model
6.5 (5.1)
6.6
Benchmark
3DMark Time Spy
2,310
—
3DMark Time Spy Extreme
1,209
—
Blender
—
1,714
▲ Specs Compare
Data sourced from official specifications and benchmark tests.