GPU Comparison
RADEON
ATI Radeon X800 XT Mac Edition
CORE STATE
R423
VRAM
256 MB
CLOCK SPEED
—
TDP
54 W
BUS WIDTH
256 bit
ARCHITECTURE
R400
PROCESS
130 nm
LAUNCH DATE
2004
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
ATI Radeon X800 XT Mac Edition
RTX 2080 Mobile
Core Specs
Shading Units
—
2,944
Shaders
—
2,944
TMUs
16
184
+1050.0%
ROPs
16
64
+300.0%
SM Count
—
46
Clocks
Base Clock
—
1380 MHz
Boost Clock
—
1590 MHz
GPU Clock
475 MHz
—
Memory Clock
500 MHz
1000 Mbps effective
1750 MHz
14 Gbps effective
Memory
Memory Size
256 MB
8 GB
VRAM (MB)
256
8,192
+3100.0%
Memory Type
GDDR3
GDDR6
Memory Bus
256 bit
256 bit
Bandwidth
32.00 GB/s
448.0 GB/s
Cache
L1 Cache
—
64 KB (per SM)
L2 Cache
—
4 MB
Performance
Pixel Rate
7.600 GPixel/s
101.8 GPixel/s
Texture Rate
7.600 GTexel/s
292.6 GTexel/s
FP32 (TFLOPS)
—
9.362 TFLOPS
FP64 (TFLOPS)
—
292.6 GFLOPS (1:32)
FP16 (TFLOPS)
—
18.72 TFLOPS (2:1)
AI/RT
RT Cores
—
46
Tensor Cores
—
368
Power
TDP
54 W
150 W
TDP (W)
54
150
+177.8%
Suggested PSU
250 W
—
Power Connectors
None
None
Architecture
Architecture
R400
Turing
GPU Name
R423
TU104
Generation
Radeon R400 AGP
(X800)
GeForce 20 Mobile
Process Size
130 nm
12 nm
Transistors
160 million
13,600 million
Die Size
289 mm²
545 mm²
Foundry
TSMC
TSMC
Density
553.6K / mm²
25.0M / mm²
API Support
DirectX
9.0b (9_2)
12 Ultimate (12_2)
OpenGL
2.1
4.6
Vulkan
—
1.4
OpenCL
—
3.0
CUDA
—
7.5
Shader Model
—
6.8
Physical
Slot Width
Single-slot
MXM Module
Outputs
2x DVI
Portable Device Dependent
Bus Interface
AGP Pro 8x
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Radeon R300
GeForce 10 Mobile
Successor
Radeon R500 AGP
GeForce 30 Mobile