GPU Comparison
RADEON
AMD Radeon Pro 455
CORE STATE
Baffin
VRAM
2 GB
CLOCK SPEED
—
TDP
35 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2016
VS
GEFORCE
Tesla K20Xm
CORE STATE
GK110
VRAM
6 GB
CLOCK SPEED
—
TDP
235 W
BUS WIDTH
384 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2012
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
Pro 455
Tesla K20Xm
Core Specs
Shading Units
768
2,688
+250.0%
Shaders
768
2,688
+250.0%
TMUs
48
224
+366.7%
ROPs
16
48
+200.0%
Compute Units
12
—
Clocks
GPU Clock
855 MHz
732 MHz
Memory Clock
1270 MHz
5.1 Gbps effective
1300 MHz
5.2 Gbps effective
Memory
Memory Size
2 GB
6 GB
VRAM (MB)
2,048
6,144
+200.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
384 bit
Bandwidth
81.28 GB/s
249.6 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
1024 KB
1536 KB
Performance
Pixel Rate
13.68 GPixel/s
40.99 GPixel/s
Texture Rate
41.04 GTexel/s
164.0 GTexel/s
FP32 (TFLOPS)
1,313.3 GFLOPS
3.935 TFLOPS
FP64 (TFLOPS)
82.08 GFLOPS (1:16)
1,311.7 GFLOPS (1:3)
FP16 (TFLOPS)
1,313.3 GFLOPS (1:1)
—
Power
TDP
35 W
235 W
TDP (W)
35
235
+571.4%
Suggested PSU
—
550 W
Power Connectors
None
—
Architecture
Architecture
GCN 4.0
Kepler
GPU Name
Baffin
GK110
Generation
Radeon Pro Mac
(400 Series)
Tesla Kepler
(Kxx)
Process Size
14 nm
28 nm
Transistors
3,000 million
7,080 million
Die Size
123 mm²
561 mm²
Foundry
GlobalFoundries
TSMC
Density
24.4M / mm²
12.6M / mm²
API Support
DirectX
12 (12_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.3
1.2.175
OpenCL
2.1
3.0
CUDA
—
3.5
Shader Model
6.7
6.5 (5.1)
Physical
Slot Width
MXM Module
Dual-slot
Length
—
267 mm
10.5 inches
Outputs
Portable Device Dependent
No outputs
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Other
Launch Price
—
7,699 USD
Production
End-of-life
End-of-life
Predecessor
—
Tesla Fermi
Successor
—
Tesla Maxwell