GPU Comparison
RADEON
AMD Radeon R6 M255DX
CORE STATE
Jet
VRAM
System Shared
CLOCK SPEED
855 MHz
TDP
—
BUS WIDTH
System Shared
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2014
VS
GPU
Arc A770
CORE STATE
DG2-512
VRAM
16 GB
CLOCK SPEED
2400 MHz
TDP
225 W
BUS WIDTH
256 bit
ARCHITECTURE
Xe-HPG
PROCESS
6 nm
LAUNCH DATE
2022
PERFORMANCE BENCHMARKS
geekbench_vulkan
3dmark_3dmark_steel_nomad_dx12
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
R6 M255DX
A770
Core Specs
Shading Units
320
4,096
+1180.0%
Shaders
320
4,096
+1180.0%
TMUs
20
256
+1180.0%
ROPs
8
128
+1500.0%
Compute Units
5
—
Execution Units
—
512
Clocks
Base Clock
780 MHz
2100 MHz
Boost Clock
855 MHz
2400 MHz
Memory Clock
System Shared
2000 MHz
16 Gbps effective
Memory
Memory Size
System Shared
16 GB
VRAM (MB)
—
16,384
Memory Type
System Shared
GDDR6
Memory Bus
System Shared
256 bit
Bandwidth
System Dependent
512.0 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
128 KB
16 MB
Performance
Pixel Rate
6.840 GPixel/s
307.2 GPixel/s
Texture Rate
17.10 GTexel/s
614.4 GTexel/s
FP32 (TFLOPS)
547.2 GFLOPS
19.66 TFLOPS
FP64 (TFLOPS)
34.20 GFLOPS (1:16)
2.458 TFLOPS (1:8)
FP16 (TFLOPS)
—
39.32 TFLOPS (2:1)
AI/RT
RT Cores
—
32
XMX Cores
—
512
Power
TDP
—
225 W
TDP (W)
—
225
Suggested PSU
—
550 W
Power Connectors
—
1x 6-pin + 1x 8-pin
Architecture
Architecture
GCN 1.0
Xe-HPG
GPU Name
Jet
DG2-512
Generation
Gem System Hybrid
(Rx M200)
Alchemist
(Arc 7)
Process Size
28 nm
6 nm
Transistors
690 million
21,700 million
Die Size
56 mm²
406 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
53.4M / mm²
API Support
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1 (1.2)
3.0
Shader Model
6.5 (5.1)
6.6
Physical
Slot Width
IGP
Dual-slot
Outputs
Portable Device Dependent
1x HDMI 2.13x DisplayPort 2.0
Bus Interface
IGP
PCIe 4.0 x16
Other
Launch Price
—
329 USD
Production
End-of-life
End-of-life
Predecessor
—
Xe Graphics
Successor
—
Battlemage