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
RADEON
Radeon RX 7800M
CORE STATE
Navi 32
VRAM
12 GB
CLOCK SPEED
2335 MHz
TDP
180 W
BUS WIDTH
192 bit
ARCHITECTURE
RDNA 3.0
PROCESS
5 nm
LAUNCH DATE
2024
PERFORMANCE BENCHMARKS
geekbench_vulkan
3dmark_3dmark_steel_nomad_dx12
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
R6 M255DX
RX 7800M
Core Specs
Shading Units
320
3,840
+1100.0%
Shaders
320
3,840
+1100.0%
TMUs
20
240
+1100.0%
ROPs
8
96
+1100.0%
Compute Units
5
60
+1100.0%
Clocks
Base Clock
780 MHz
1295 MHz
Boost Clock
855 MHz
2335 MHz
Game Clock
—
2145 MHz
Memory Clock
System Shared
2250 MHz
18 Gbps effective
Memory
Memory Size
System Shared
12 GB
VRAM (MB)
—
12,288
Memory Type
System Shared
GDDR6
Memory Bus
System Shared
192 bit
Bandwidth
System Dependent
432.0 GB/s
Cache
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
128 KB
4 MB
L3 Cache
—
48 MB
L0 Cache
—
32 KB per WGP
Performance
Pixel Rate
6.840 GPixel/s
224.2 GPixel/s
Texture Rate
17.10 GTexel/s
560.4 GTexel/s
FP32 (TFLOPS)
547.2 GFLOPS
35.87 TFLOPS
FP64 (TFLOPS)
34.20 GFLOPS (1:16)
1,120.8 GFLOPS (1:32)
FP16 (TFLOPS)
—
71.73 TFLOPS (2:1)
AI/RT
RT Cores
—
60
Power
TDP
—
180 W
TDP (W)
—
180
Power Connectors
—
None
Architecture
Architecture
GCN 1.0
RDNA 3.0
GPU Name
Jet
Navi 32
Codename
—
Wheat Nas
Generation
Gem System Hybrid
(Rx M200)
Navi Mobile
(RX 7000M)
Process Size
28 nm
5 nm
Transistors
690 million
28,100 million
Die Size
56 mm²
346 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
81.2M / 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)
2.2
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
IGP
IGP
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
IGP
PCIe 4.0 x16
Other
Production
End-of-life
Active
Predecessor
—
Polaris Mobile