GPU Comparison
RADEON
AMD Radeon Pro Duo
CORE STATE
Capsaicin
VRAM
4 GB
CLOCK SPEED
—
TDP
350 W
BUS WIDTH
4096 bit
ARCHITECTURE
GCN 3.0
PROCESS
28 nm
LAUNCH DATE
2016
VS
GEFORCE
GeForce 840M
CORE STATE
GM108S
VRAM
2 GB
CLOCK SPEED
1124 MHz
TDP
33 W
BUS WIDTH
64 bit
ARCHITECTURE
Maxwell
PROCESS
28 nm
LAUNCH DATE
2014
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Pro Duo
840M
Core Specs
Shading Units
4,096
384
-90.6%
Shaders
4,096
384
-90.6%
TMUs
256
16
-93.8%
ROPs
64
8
-87.5%
Compute Units
64
—
Clocks
Base Clock
—
1029 MHz
Boost Clock
—
1124 MHz
GPU Clock
1000 MHz
—
Memory Clock
500 MHz
1000 Mbps effective
1001 MHz
2 Gbps effective
Memory
Memory Size
4 GB
2 GB
VRAM (MB)
4,096
2,048
-50.0%
Memory Type
HBM
DDR3
Memory Bus
4096 bit
64 bit
Bandwidth
512.0 GB/s
16.02 GB/s
Cache
L1 Cache
16 KB (per CU)
64 KB (per SMM)
L2 Cache
2 MB
1024 KB
Performance
Pixel Rate
64.00 GPixel/s
8.992 GPixel/s
Texture Rate
256.0 GTexel/s
17.98 GTexel/s
FP32 (TFLOPS)
8.192 TFLOPS
863.2 GFLOPS
FP64 (TFLOPS)
512.0 GFLOPS (1:16)
26.98 GFLOPS (1:32)
FP16 (TFLOPS)
8.192 TFLOPS (1:1)
—
Power
TDP
350 W
33 W
TDP (W)
350
33
-90.6%
Suggested PSU
750 W
—
Power Connectors
3x 8-pin
None
Architecture
Architecture
GCN 3.0
Maxwell
GPU Name
Capsaicin
GM108S
Generation
Radeon Pro GCN
GeForce 800M
Process Size
28 nm
28 nm
Transistors
8,900 million
1,020 million
Die Size
596 mm²
77 mm²
Foundry
TSMC
TSMC
Density
14.9M / mm²
13.2M / mm²
API Support
DirectX
12 (12_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1
3.0
CUDA
—
5.0
Shader Model
6.5
6.7 (5.1)
Physical
Slot Width
Dual-slot
IGP
Length
277 mm
10.9 inches
—
Height
111 mm
4.4 inches
—
Outputs
1x HDMI 1.4a3x DisplayPort 1.2
Portable Device Dependent
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x8
Other
Launch Price
1,499 USD
—
Production
End-of-life
End-of-life
Predecessor
FirePro GCN
GeForce 700M
Successor
Radeon Pro Polaris
GeForce 900M