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
GEFORCE
L4
CORE STATE
AD104
VRAM
24 GB
CLOCK SPEED
2040 MHz
TDP
72 W
BUS WIDTH
192 bit
ARCHITECTURE
Ada Lovelace
PROCESS
5 nm
LAUNCH DATE
2023
PERFORMANCE BENCHMARKS
geekbench_vulkan
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
R6 M255DX
L4
Core Specs
Shading Units
320
7,424
+2220.0%
Shaders
320
7,424
+2220.0%
TMUs
20
240
+1100.0%
ROPs
8
80
+900.0%
Compute Units
5
—
SM Count
—
60
Clocks
Base Clock
780 MHz
795 MHz
Boost Clock
855 MHz
2040 MHz
Memory Clock
System Shared
1563 MHz
12.5 Gbps effective
Memory
Memory Size
System Shared
24 GB
VRAM (MB)
—
24,576
Memory Type
System Shared
GDDR6
Memory Bus
System Shared
192 bit
Bandwidth
System Dependent
300.1 GB/s
Cache
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
128 KB
48 MB
Performance
Pixel Rate
6.840 GPixel/s
163.2 GPixel/s
Texture Rate
17.10 GTexel/s
489.6 GTexel/s
FP32 (TFLOPS)
547.2 GFLOPS
30.29 TFLOPS
FP64 (TFLOPS)
34.20 GFLOPS (1:16)
473.3 GFLOPS (1:64)
FP16 (TFLOPS)
—
30.29 TFLOPS (1:1)
AI/RT
RT Cores
—
60
Tensor Cores
—
240
Power
TDP
—
72 W
TDP (W)
—
72
Suggested PSU
—
250 W
Power Connectors
—
None
Architecture
Architecture
GCN 1.0
Ada Lovelace
GPU Name
Jet
AD104
Generation
Gem System Hybrid
(Rx M200)
Server Ada
(Lxx)
Process Size
28 nm
5 nm
Transistors
690 million
35,800 million
Die Size
56 mm²
294 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
121.8M / 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
CUDA
—
8.9
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
IGP
Single-slot
Length
—
169 mm
6.7 inches
Height
—
56 mm
2.2 inches
Outputs
Portable Device Dependent
No outputs
Bus Interface
IGP
PCIe 4.0 x16
Other
Production
End-of-life
Active
Predecessor
—
Server Ampere
Successor
—
Server Hopper