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
Tesla M40
CORE STATE
GM200
VRAM
12 GB
CLOCK SPEED
1112 MHz
TDP
250 W
BUS WIDTH
384 bit
ARCHITECTURE
Maxwell 2.0
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_vulkan
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
R6 M255DX
Tesla M40
Core Specs
Shading Units
320
3,072
+860.0%
Shaders
320
3,072
+860.0%
TMUs
20
192
+860.0%
ROPs
8
96
+1100.0%
Compute Units
5
—
Clocks
Base Clock
780 MHz
948 MHz
Boost Clock
855 MHz
1112 MHz
Memory Clock
System Shared
1502 MHz
6 Gbps effective
Memory
Memory Size
System Shared
12 GB
VRAM (MB)
—
12,288
Memory Type
System Shared
GDDR5
Memory Bus
System Shared
384 bit
Bandwidth
System Dependent
288.4 GB/s
Cache
L1 Cache
16 KB (per CU)
48 KB (per SMM)
L2 Cache
128 KB
3 MB
Performance
Pixel Rate
6.840 GPixel/s
106.8 GPixel/s
Texture Rate
17.10 GTexel/s
213.5 GTexel/s
FP32 (TFLOPS)
547.2 GFLOPS
6.832 TFLOPS
FP64 (TFLOPS)
34.20 GFLOPS (1:16)
213.5 GFLOPS (1:32)
Power
TDP
—
250 W
TDP (W)
—
250
Suggested PSU
—
600 W
Power Connectors
—
8-pin EPS
Architecture
Architecture
GCN 1.0
Maxwell 2.0
GPU Name
Jet
GM200
Generation
Gem System Hybrid
(Rx M200)
Tesla Maxwell
(Mxx)
Process Size
28 nm
28 nm
Transistors
690 million
8,000 million
Die Size
56 mm²
601 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
13.3M / mm²
API Support
DirectX
12 (11_1)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1 (1.2)
3.0
CUDA
—
5.2
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
IGP
Dual-slot
Length
—
267 mm
10.5 inches
Outputs
Portable Device Dependent
No outputs
Bus Interface
IGP
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
—
Tesla Kepler
Successor
—
Tesla Pascal