GPU Comparison
RADEON
AMD FirePro D300
CORE STATE
Pitcairn
VRAM
2 GB
CLOCK SPEED
—
TDP
150 W
BUS WIDTH
256 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2014
VS
GEFORCE
Tesla K20m
CORE STATE
GK110
VRAM
5 GB
CLOCK SPEED
—
TDP
225 W
BUS WIDTH
320 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2013
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
FirePro D300
Tesla K20m
Core Specs
Shading Units
1,280
2,496
+95.0%
Shaders
1,280
2,496
+95.0%
TMUs
80
208
+160.0%
ROPs
32
40
+25.0%
Compute Units
20
—
Clocks
GPU Clock
850 MHz
706 MHz
Memory Clock
1270 MHz
5.1 Gbps effective
1300 MHz
5.2 Gbps effective
Memory
Memory Size
2 GB
5 GB
VRAM (MB)
2,048
5,120
+150.0%
Memory Type
GDDR5
GDDR5
Memory Bus
256 bit
320 bit
Bandwidth
162.6 GB/s
208.0 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
512 KB
1280 KB
Performance
Pixel Rate
27.20 GPixel/s
36.71 GPixel/s
Texture Rate
68.00 GTexel/s
146.8 GTexel/s
FP32 (TFLOPS)
2.176 TFLOPS
3.524 TFLOPS
FP64 (TFLOPS)
136.0 GFLOPS (1:16)
1,174.8 GFLOPS (1:3)
Power
TDP
150 W
225 W
TDP (W)
150
225
+50.0%
Suggested PSU
450 W
550 W
Power Connectors
—
1x 6-pin + 1x 8-pin
Architecture
Architecture
GCN 1.0
Kepler
GPU Name
Pitcairn
GK110
Generation
FirePro Data Center
(Dx00)
Tesla Kepler
(Kxx)
Process Size
28 nm
28 nm
Transistors
2,800 million
7,080 million
Die Size
212 mm²
561 mm²
Foundry
TSMC
TSMC
Density
13.2M / mm²
12.6M / mm²
API Support
DirectX
12 (11_1)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.2.175
OpenCL
2.1 (1.2)
3.0
CUDA
—
3.5
Shader Model
6.5 (5.1)
6.5 (5.1)
Physical
Slot Width
Single-slot
Dual-slot
Length
242 mm
9.5 inches
267 mm
10.5 inches
Outputs
4x DisplayPort 1.2
No outputs
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Other
Launch Price
—
3,199 USD
Production
End-of-life
End-of-life
Predecessor
FirePro Terascale
Tesla Fermi
Successor
Radeon Instinct
Tesla Maxwell