GPU Comparison
GEFORCE
NVIDIA GeForce GTX 850M
CORE STATE
GM107
VRAM
2 GB
CLOCK SPEED
—
TDP
45 W
BUS WIDTH
128 bit
ARCHITECTURE
Maxwell
PROCESS
28 nm
LAUNCH DATE
2014
VS
GEFORCE
RTX A400
CORE STATE
GA107
VRAM
4 GB
CLOCK SPEED
1762 MHz
TDP
50 W
BUS WIDTH
64 bit
ARCHITECTURE
Ampere
PROCESS
8 nm
LAUNCH DATE
2024
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
GTX 850M
RTX A400
Core Specs
Shading Units
640
768
+20.0%
Shaders
640
768
+20.0%
TMUs
40
24
-40.0%
ROPs
16
16
0.0%
SM Count
—
6
Clocks
Base Clock
—
1417 MHz
Boost Clock
—
1762 MHz
GPU Clock
902 MHz
—
Memory Clock
1001 MHz
2 Gbps effective
1500 MHz
12 Gbps effective
Memory
Memory Size
2 GB
4 GB
VRAM (MB)
2,048
4,096
+100.0%
Memory Type
DDR3
GDDR6
Memory Bus
128 bit
64 bit
Bandwidth
32.03 GB/s
96.00 GB/s
Cache
L1 Cache
64 KB (per SMM)
128 KB (per SM)
L2 Cache
2 MB
2 MB
Performance
Pixel Rate
14.43 GPixel/s
28.19 GPixel/s
Texture Rate
36.08 GTexel/s
42.29 GTexel/s
FP32 (TFLOPS)
1,154.6 GFLOPS
2.706 TFLOPS
FP64 (TFLOPS)
36.08 GFLOPS (1:32)
42.29 GFLOPS (1:64)
FP16 (TFLOPS)
—
2.706 TFLOPS (1:1)
AI/RT
RT Cores
—
6
Tensor Cores
—
24
Power
TDP
45 W
50 W
TDP (W)
45
50
+11.1%
Suggested PSU
—
250 W
Power Connectors
None
None
Architecture
Architecture
Maxwell
Ampere
GPU Name
GM107
GA107
Generation
GeForce 800M
Workstation Ampere
(Ax000)
Process Size
28 nm
8 nm
Transistors
1,870 million
8,700 million
Die Size
148 mm²
200 mm²
Foundry
TSMC
Samsung
Density
12.6M / mm²
43.5M / mm²
API Support
DirectX
12 (11_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.4
1.4
OpenCL
3.0
3.0
CUDA
5.0
8.6
Shader Model
6.7 (5.1)
6.8
Physical
Slot Width
IGP
Single-slot
Length
—
163 mm
6.4 inches
Height
—
69 mm
2.7 inches
Outputs
Portable Device Dependent
4x mini-DisplayPort 1.4a
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8
Other
Production
End-of-life
Active
Predecessor
GeForce 700M
Quadro Turing
Successor
GeForce 900M
Workstation Ada