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
L40S
CORE STATE
AD102
VRAM
48 GB
CLOCK SPEED
2520 MHz
TDP
300 W
BUS WIDTH
384 bit
ARCHITECTURE
Ada Lovelace
PROCESS
5 nm
LAUNCH DATE
2022
PERFORMANCE BENCHMARKS
geekbench_vulkan
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
R6 M255DX
L40S
Core Specs
Shading Units
320
18,176
+5580.0%
Shaders
320
18,176
+5580.0%
TMUs
20
568
+2740.0%
ROPs
8
192
+2300.0%
Compute Units
5
—
SM Count
—
142
Clocks
Base Clock
780 MHz
1110 MHz
Boost Clock
855 MHz
2520 MHz
Memory Clock
System Shared
2250 MHz
18 Gbps effective
Memory
Memory Size
System Shared
48 GB
VRAM (MB)
—
49,152
Memory Type
System Shared
GDDR6
Memory Bus
System Shared
384 bit
Bandwidth
System Dependent
864.0 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
483.8 GPixel/s
Texture Rate
17.10 GTexel/s
1,431.4 GTexel/s
FP32 (TFLOPS)
547.2 GFLOPS
91.61 TFLOPS
FP64 (TFLOPS)
34.20 GFLOPS (1:16)
1,431.4 GFLOPS (1:64)
FP16 (TFLOPS)
—
91.61 TFLOPS (1:1)
AI/RT
RT Cores
—
142
Tensor Cores
—
568
Power
TDP
—
300 W
TDP (W)
—
300
Suggested PSU
—
700 W
Power Connectors
—
1x 16-pin
Architecture
Architecture
GCN 1.0
Ada Lovelace
GPU Name
Jet
AD102
Generation
Gem System Hybrid
(Rx M200)
Server Ada
(Lxx)
Process Size
28 nm
5 nm
Transistors
690 million
76,300 million
Die Size
56 mm²
609 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
125.3M / 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
Dual-slot
Length
—
267 mm
10.5 inches
Height
—
111 mm
4.4 inches
Outputs
Portable Device Dependent
1x HDMI 2.13x DisplayPort 1.4a
Bus Interface
IGP
PCIe 4.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
—
Server Ampere
Successor
—
Server Hopper