AMD Radeon 680M vs Intel Arc A770
GPU · Specs Compare
Graphics Card
Release Date
Jan 2022
Oct 2022
Generation
Navi II IGP
Alchemist(Arc 7)
Type
Integrated
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 4.0 x16
Clock Speeds
Base Clock
2000 MHz
2100 MHz
Boost Clock
2200 MHz
2400 MHz
Memory Clock
System Shared
2000 MHz
Memory
Memory Size
System Shared
16GB
Memory Type
System Shared
GDDR6
Memory Bus
System Shared
256bit
Bandwidth
System Dependent
512.0GB/s
Render Config
Compute Units
12
—
Shading Units
768
4096
TMUs
48
256
ROPs
32
128
RT Cores
12
32
L1 Cache
128 KB per Array
—
L2 Cache
2 MB
16 MB
Tensor Cores
—
512
Theoretical Performance
Pixel Rate
70.40 GPixel/s
307.2 GPixel/s
Texture Rate
105.6 GTexel/s
614.4 GTexel/s
FP16 (half)
6.758 TFLOPS
39.32 TFLOPS
FP32 (float)
3.379 TFLOPS
19.66 TFLOPS
FP64 (double)
211.2 GFLOPS
2.458 TFLOPS
Graphics Processor
GPU Name
Rembrandt
DG2-512
Architecture
RDNA 2.0
Generation 12.7
Foundry
TSMC
TSMC
Process Size
6 nm
6 nm
Transistors
13.1 billion
21.7 billion
Die Size
208 mm²
406 mm²
GPU Variant
—
ACM-G10
Board Design
TDP
50W
225W
Outputs
Portable Device Dependent
1x HDMI 2.13x DisplayPort 2.0
Power Connectors
None
1x 6-pin + 1x 8-pin
Suggested PSU
—
550 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.0
3.0
Vulkan
1.3
1.3
Shader Model
6.7
6.6
Benchmark
3DMark Time Spy
—
13,560
3DMark Time Spy Extreme
—
6,525
3DMark Speed Way
—
2,442
Shadow of the Tomb Raider 2160p
—
45
Shadow of the Tomb Raider 1440p
—
80
Shadow of the Tomb Raider 1080p
—
105
Blender
—
2,292
▲ Specs Compare
Data sourced from official specifications and benchmark tests.