Radeon RX 7800 XT vs Arc A770
We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7800 XT and 16GB VRAM Arc A770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 7800 XT 's Advantages
Released 10 months late
Boost Clock has increased by 1% (2430MHz vs 2400MHz)
Larger VRAM bandwidth (624.1GB/s vs 512.0GB/s)
Arc A770 's Advantages
256 additional rendering cores
Lower TDP (225W vs 263W)
Score
Benchmark
FP32 (float)
Radeon RX 7800 XT
+89%
37320
Arc A770
19660
3DMark Time Spy
Radeon RX 7800 XT
+48%
20086
Arc A770
13560
3DMark Time Spy Extreme
Radeon RX 7800 XT
+44%
9448
Arc A770
6525
3DMark Speed Way
Radeon RX 7800 XT
+62%
3978
Arc A770
2442
Blender
Radeon RX 7800 XT
+15%
2652
Arc A770
2292
Shadow of the Tomb Raider 2160p
Radeon RX 7800 XT
+82%
82
Arc A770
45
Shadow of the Tomb Raider 1440p
Radeon RX 7800 XT
+97%
158
Arc A770
80
Shadow of the Tomb Raider 1080p
Radeon RX 7800 XT
+122%
234
Arc A770
105
Horizon Forbidden West 1080p
Radeon RX 7800 XT
+100%
98
Arc A770
49
Horizon Forbidden West 1440p
Radeon RX 7800 XT
+80%
81
Arc A770
45
Horizon Forbidden West 2160p
Radeon RX 7800 XT
+100%
52
Arc A770
26
Graphics Card
Aug 2023
Release Date
Oct 2022
Navi III
Generation
Alchemist(Arc 7)
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
1295 MHz
Base Clock
2100 MHz
2430 MHz
Boost Clock
2400 MHz
2438 MHz
Memory Clock
2000 MHz
Memory
16GB
Memory Size
16GB
GDDR6
Memory Type
GDDR6
256bit
Memory Bus
256bit
624.1GB/s
Bandwidth
512.0GB/s
Render Config
60
Compute Units
-
3840
Shading Units
4096
240
TMUs
256
96
ROPs
128
-
Tensor Cores
512
60
RT Cores
32
128 KB per Array
L1 Cache
-
4 MB
L2 Cache
16 MB
64 MB
L3 Cache
-
Theoretical Performance
233.3 GPixel/s
Pixel Rate
307.2 GPixel/s
583.2 GTexel/s
Texture Rate
614.4 GTexel/s
74.65 TFLOPS
FP16 (half)
39.32 TFLOPS
37.32 TFLOPS
FP32 (float)
19.66 TFLOPS
1166 GFLOPS
FP64 (double)
2.458 TFLOPS
Board Design
263W
TDP
225W
600 W
Suggested PSU
550 W
1x HDMI 2.1a
3x DisplayPort 2.1
Outputs
1x HDMI 2.13x DisplayPort 2.0
2x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
Navi 32
GPU Name
DG2-512
Navi 32 XT
(215-180000006)
GPU Variant
ACM-G10
RDNA 3.0
Architecture
Generation 12.7
TSMC
Foundry
TSMC
5 nm
Process Size
6 nm
28.1 billion
Transistors
21.7 billion
346 mm²
Die Size
406 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
2.2
OpenCL
3.0
1.3
Vulkan
1.3
6.7
Shader Model
6.6
