GPU Comparison
RADEON
AMD Radeon HD 7870 XT
CORE STATE
Tahiti
VRAM
2 GB
CLOCK SPEED
975 MHz
TDP
185 W
BUS WIDTH
256 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2012
VS
GEFORCE
GeForce RTX 2080 Mobile
CORE STATE
TU104
VRAM
8 GB
CLOCK SPEED
1590 MHz
TDP
150 W
BUS WIDTH
256 bit
ARCHITECTURE
Turing
PROCESS
12 nm
LAUNCH DATE
2019
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7870 XT
RTX 2080 Mobile
Core Specs
Shading Units
1,536
2,944
+91.7%
Shaders
1,536
2,944
+91.7%
TMUs
96
184
+91.7%
ROPs
32
64
+100.0%
Compute Units
24
—
SM Count
—
46
Clocks
Base Clock
925 MHz
1380 MHz
Boost Clock
975 MHz
1590 MHz
Memory Clock
1500 MHz
6 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
256 bit
256 bit
Bandwidth
192.0 GB/s
448.0 GB/s
Cache
L1 Cache
16 KB (per CU)
64 KB (per SM)
L2 Cache
512 KB
4 MB
Performance
Pixel Rate
31.20 GPixel/s
101.8 GPixel/s
Texture Rate
93.60 GTexel/s
292.6 GTexel/s
FP32 (TFLOPS)
2.995 TFLOPS
9.362 TFLOPS
FP64 (TFLOPS)
748.8 GFLOPS (1:4)
292.6 GFLOPS (1:32)
FP16 (TFLOPS)
—
18.72 TFLOPS (2:1)
AI/RT
RT Cores
—
46
Tensor Cores
—
368
Power
TDP
185 W
150 W
TDP (W)
185
150
-18.9%
Suggested PSU
450 W
—
Power Connectors
2x 6-pin
None
Architecture
Architecture
GCN 1.0
Turing
GPU Name
Tahiti
TU104
Generation
Southern Islands
(HD 7800)
GeForce 20 Mobile
Process Size
28 nm
12 nm
Transistors
4,313 million
13,600 million
Die Size
352 mm²
545 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
25.0M / 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
—
7.5
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
Dual-slot
MXM Module
Length
267 mm
10.5 inches
—
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Portable Device Dependent
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Launch Price
270 USD
—
Production
End-of-life
End-of-life
Predecessor
Northern Islands
GeForce 10 Mobile
Successor
Sea Islands
GeForce 30 Mobile