AMD Radeon RX 6400 vs Intel Arc A770
GPU · Specs Compare
Graphics Card
Release Date
Jan 2022
Oct 2022
Generation
Navi II
Alchemist(Arc 7)
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x4
PCIe 4.0 x16
Clock Speeds
Base Clock
1923 MHz
2100 MHz
Boost Clock
2321 MHz
2400 MHz
Memory Clock
2000 MHz
2000 MHz
Memory
Memory Size
4GB
16GB
Memory Type
GDDR6
GDDR6
Memory Bus
64bit
256bit
Bandwidth
128.0GB/s
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
1024 KB
16 MB
L3 Cache
16 MB
—
Tensor Cores
—
512
Theoretical Performance
Pixel Rate
74.27 GPixel/s
307.2 GPixel/s
Texture Rate
111.4 GTexel/s
614.4 GTexel/s
FP16 (half)
7.130 TFLOPS
39.32 TFLOPS
FP32 (float)
3.565 TFLOPS
19.66 TFLOPS
FP64 (double)
222.8 GFLOPS
2.458 TFLOPS
Graphics Processor
GPU Name
Navi 24
DG2-512
GPU Variant
Navi 24 XL(215-135000046)
ACM-G10
Architecture
RDNA 2.0
Generation 12.7
Foundry
TSMC
TSMC
Process Size
6 nm
6 nm
Transistors
5.4 billion
21.7 billion
Die Size
107 mm²
406 mm²
Board Design
TDP
53W
225W
Suggested PSU
250 W
550 W
Outputs
1x HDMI 2.11x DisplayPort 1.4a
1x HDMI 2.13x DisplayPort 2.0
Power Connectors
None
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.2
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.