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 P4
CORE STATE
GP104
VRAM
8 GB
CLOCK SPEED
1114 MHz
TDP
75 W
BUS WIDTH
256 bit
ARCHITECTURE
Pascal
PROCESS
16 nm
LAUNCH DATE
2016
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
R5 M255
Tesla P4
Core Specs
Shading Units
384
2,560
+566.7%
Shaders
384
2,560
+566.7%
TMUs
24
160
+566.7%
ROPs
8
64
+700.0%
Compute Units
6
—
SM Count
—
20
Clocks
Base Clock
925 MHz
886 MHz
Boost Clock
940 MHz
1114 MHz
Memory Clock
1000 MHz
2 Gbps effective
1502 MHz
6 Gbps effective
Memory
Memory Size
2 GB
8 GB
VRAM (MB)
2,048
8,192
+300.0%
Memory Type
DDR3
GDDR5
Memory Bus
128 bit
256 bit
Bandwidth
32.00 GB/s
192.3 GB/s
Cache
L1 Cache
16 KB (per CU)
48 KB (per SM)
L2 Cache
256 KB
2 MB
Performance
Pixel Rate
7.520 GPixel/s
71.30 GPixel/s
Texture Rate
22.56 GTexel/s
178.2 GTexel/s
FP32 (TFLOPS)
721.9 GFLOPS
5.704 TFLOPS
FP64 (TFLOPS)
45.12 GFLOPS (1:16)
178.2 GFLOPS (1:32)
FP16 (TFLOPS)
721.9 GFLOPS (1:1)
89.12 GFLOPS (1:64)
Power
TDP
—
75 W
TDP (W)
—
75
Suggested PSU
—
250 W
Power Connectors
—
None
Architecture
Architecture
GCN 3.0
Pascal
GPU Name
Topaz
GP104
Generation
Gem System
(R5 M200)
Tesla Pascal
(Pxx)
Process Size
28 nm
16 nm
Transistors
1,550 million
7,200 million
Die Size
125 mm²
314 mm²
Foundry
TSMC
TSMC
Density
12.4M / mm²
22.9M / 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
—
6.1
Shader Model
6.5
6.8
Physical
Slot Width
—
Single-slot
Length
—
168 mm
6.6 inches
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 Maxwell
Successor
Polaris Mobile
Tesla Volta