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 P40
CORE STATE
GP102
VRAM
24 GB
CLOCK SPEED
1531 MHz
TDP
250 W
BUS WIDTH
384 bit
ARCHITECTURE
Pascal
PROCESS
16 nm
LAUNCH DATE
2016
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 8850M
Tesla P40
Core Specs
Shading Units
640
3,840
+500.0%
Shaders
640
3,840
+500.0%
TMUs
40
240
+500.0%
ROPs
16
96
+500.0%
Compute Units
10
—
SM Count
—
30
Clocks
Base Clock
575 MHz
1303 MHz
Boost Clock
625 MHz
1531 MHz
Memory Clock
1000 MHz
4 Gbps effective
1808 MHz
7.2 Gbps effective
Memory
Memory Size
2 GB
24 GB
VRAM (MB)
2,048
24,576
+1100.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
384 bit
Bandwidth
64.00 GB/s
347.1 GB/s
Cache
L1 Cache
16 KB (per CU)
48 KB (per SM)
L2 Cache
256 KB
3 MB
Performance
Pixel Rate
10.00 GPixel/s
147.0 GPixel/s
Texture Rate
25.00 GTexel/s
367.4 GTexel/s
FP32 (TFLOPS)
800.0 GFLOPS
11.76 TFLOPS
FP64 (TFLOPS)
50.00 GFLOPS (1:16)
367.4 GFLOPS (1:32)
FP16 (TFLOPS)
—
183.7 GFLOPS (1:64)
Power
TDP
—
250 W
TDP (W)
—
250
Suggested PSU
—
600 W
Power Connectors
—
8-pin EPS
Architecture
Architecture
GCN 1.0
Pascal
GPU Name
Venus
GP102
Generation
Solar System
(HD 8800M)
Tesla Pascal
(Pxx)
Process Size
28 nm
16 nm
Transistors
1,500 million
11,800 million
Die Size
123 mm²
471 mm²
Foundry
TSMC
TSMC
Density
12.2M / mm²
25.1M / mm²
API Support
DirectX
12 (11_1)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1 (1.2)
3.0
CUDA
—
6.1
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
—
Dual-slot
Length
—
267 mm
10.5 inches
Height
—
111 mm
4.4 inches
Outputs
—
No outputs
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Launch Price
—
5,699 USD
Production
End-of-life
End-of-life
Predecessor
London
Tesla Maxwell
Successor
Gem System
Tesla Volta