GPU Comparison
RADEON
AMD Radeon R5 M255
CORE STATE
Topaz
VRAM
2 GB
CLOCK SPEED
940 MHz
TDP
—
BUS WIDTH
128 bit
ARCHITECTURE
GCN 3.0
PROCESS
28 nm
LAUNCH DATE
2014
VS
GEFORCE
Tesla M4
CORE STATE
GM206
VRAM
4 GB
CLOCK SPEED
1072 MHz
TDP
50 W
BUS WIDTH
128 bit
ARCHITECTURE
Maxwell 2.0
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
R5 M255
Tesla M4
Core Specs
Shading Units
384
1,024
+166.7%
Shaders
384
1,024
+166.7%
TMUs
24
64
+166.7%
ROPs
8
32
+300.0%
Compute Units
6
—
Clocks
Base Clock
925 MHz
872 MHz
Boost Clock
940 MHz
1072 MHz
Memory Clock
1000 MHz
2 Gbps effective
1375 MHz
5.5 Gbps effective
Memory
Memory Size
2 GB
4 GB
VRAM (MB)
2,048
4,096
+100.0%
Memory Type
DDR3
GDDR5
Memory Bus
128 bit
128 bit
Bandwidth
32.00 GB/s
88.00 GB/s
Cache
L1 Cache
16 KB (per CU)
48 KB (per SMM)
L2 Cache
256 KB
1024 KB
Performance
Pixel Rate
7.520 GPixel/s
34.30 GPixel/s
Texture Rate
22.56 GTexel/s
68.61 GTexel/s
FP32 (TFLOPS)
721.9 GFLOPS
2.195 TFLOPS
FP64 (TFLOPS)
45.12 GFLOPS (1:16)
68.61 GFLOPS (1:32)
FP16 (TFLOPS)
721.9 GFLOPS (1:1)
—
Power
TDP
—
50 W
TDP (W)
—
50
Suggested PSU
—
250 W
Architecture
Architecture
GCN 3.0
Maxwell 2.0
GPU Name
Topaz
GM206
Generation
Gem System
(R5 M200)
Tesla Maxwell
(Mxx)
Process Size
28 nm
28 nm
Transistors
1,550 million
2,940 million
Die Size
125 mm²
228 mm²
Foundry
TSMC
TSMC
Density
12.4M / mm²
12.9M / mm²
API Support
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1
3.0
CUDA
—
5.2
Shader Model
6.5
6.8
Physical
Slot Width
—
Single-slot
Outputs
—
No outputs
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Solar System
Tesla Kepler
Successor
Polaris Mobile
Tesla Pascal