GPU Comparison
RADEON
AMD Radeon HD 8850M
CORE STATE
Venus
VRAM
2 GB
CLOCK SPEED
625 MHz
TDP
—
BUS WIDTH
128 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2013
VS
GEFORCE
Tesla K80
CORE STATE
GK210
VRAM
12 GB
CLOCK SPEED
824 MHz
TDP
300 W
BUS WIDTH
384 bit
ARCHITECTURE
Kepler 2.0
PROCESS
28 nm
LAUNCH DATE
2014
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 8850M
Tesla K80
Core Specs
Shading Units
640
2,496
+290.0%
Shaders
640
2,496
+290.0%
TMUs
40
208
+420.0%
ROPs
16
48
+200.0%
Compute Units
10
—
Clocks
Base Clock
575 MHz
562 MHz
Boost Clock
625 MHz
824 MHz
Memory Clock
1000 MHz
4 Gbps effective
1253 MHz
5 Gbps effective
Memory
Memory Size
2 GB
12 GB
VRAM (MB)
2,048
12,288
+500.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
384 bit
Bandwidth
64.00 GB/s
240.6 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
256 KB
1536 KB
Performance
Pixel Rate
10.00 GPixel/s
42.85 GPixel/s
Texture Rate
25.00 GTexel/s
171.4 GTexel/s
FP32 (TFLOPS)
800.0 GFLOPS
4.113 TFLOPS
FP64 (TFLOPS)
50.00 GFLOPS (1:16)
1,371.1 GFLOPS (1:3)
Power
TDP
—
300 W
TDP (W)
—
300
Suggested PSU
—
700 W
Power Connectors
—
1x 8-pin
Architecture
Architecture
GCN 1.0
Kepler 2.0
GPU Name
Venus
GK210
Generation
Solar System
(HD 8800M)
Tesla Kepler
(Kxx)
Process Size
28 nm
28 nm
Transistors
1,500 million
7,100 million
Die Size
123 mm²
561 mm²
Foundry
TSMC
TSMC
Density
12.2M / mm²
12.7M / mm²
API Support
DirectX
12 (11_1)
12 (11_1)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.2.175
OpenCL
2.1 (1.2)
3.0
CUDA
—
3.7
Shader Model
6.5 (5.1)
6.5 (5.1)
Physical
Slot Width
—
Dual-slot
Length
—
267 mm
10.5 inches
Outputs
—
No outputs
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
London
Tesla Fermi
Successor
Gem System
Tesla Maxwell