GPU Comparison
RADEON
AMD Radeon HD 8870M
CORE STATE
Venus
VRAM
2 GB
CLOCK SPEED
775 MHz
TDP
—
BUS WIDTH
128 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2013
VS
GEFORCE
GeForce RTX 3080 Mobile
CORE STATE
GA104
VRAM
8 GB
CLOCK SPEED
1545 MHz
TDP
115 W
BUS WIDTH
256 bit
ARCHITECTURE
Ampere
PROCESS
8 nm
LAUNCH DATE
2021
PERFORMANCE BENCHMARKS
geekbench_opencl
3dmark_3dmark_steel_nomad_dx12
geekbench_vulkan
passmark_directx_10
passmark_directx_11
passmark_directx_12
passmark_directx_9
passmark_g2d
passmark_g3d
passmark_gpu_compute
DETAILED SPECIFICATIONS
SPECIFICATION
HD 8870M
RTX 3080 Mobile
Core Specs
Shading Units
640
6,144
+860.0%
Shaders
640
6,144
+860.0%
TMUs
40
192
+380.0%
ROPs
16
96
+500.0%
Compute Units
10
—
SM Count
—
48
Clocks
Base Clock
725 MHz
1110 MHz
Boost Clock
775 MHz
1545 MHz
Memory Clock
1125 MHz
4.5 Gbps effective
1750 MHz
14 Gbps effective
Memory
Memory Size
2 GB
8 GB
VRAM (MB)
2,048
8,192
+300.0%
Memory Type
GDDR5
GDDR6
Memory Bus
128 bit
256 bit
Bandwidth
72.00 GB/s
448.0 GB/s
Cache
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
256 KB
4 MB
Performance
Pixel Rate
12.40 GPixel/s
148.3 GPixel/s
Texture Rate
31.00 GTexel/s
296.6 GTexel/s
FP32 (TFLOPS)
992.0 GFLOPS
18.98 TFLOPS
FP64 (TFLOPS)
62.00 GFLOPS (1:16)
296.6 GFLOPS (1:64)
FP16 (TFLOPS)
—
18.98 TFLOPS (1:1)
AI/RT
RT Cores
—
48
Tensor Cores
—
192
Power
TDP
—
115 W
TDP (W)
—
115
Power Connectors
—
None
Architecture
Architecture
GCN 1.0
Ampere
GPU Name
Venus
GA104
Generation
Solar System
(HD 8800M)
GeForce 30 Mobile
Process Size
28 nm
8 nm
Transistors
1,500 million
17,400 million
Die Size
123 mm²
392 mm²
Foundry
TSMC
Samsung
Density
12.2M / mm²
44.4M / mm²
API Support
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1 (1.2)
3.0
CUDA
—
8.6
Shader Model
6.5 (5.1)
6.8
Physical
Outputs
—
Portable Device Dependent
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
London
GeForce 20 Mobile
Successor
Gem System
—