AMD Radeon RX 7800M vs AMD Radeon R9 270
GPU · Specs Compare
Graphics Card
Release Date
Sep 2024
Nov 2013
Generation
Navi Mobile
Volcanic Islands
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1295 MHz
900 MHz
Boost Clock
2335 MHz
925 MHz
Memory Clock
2250 MHz
1400 MHz
Memory
Memory Size
12GB
2GB
Memory Type
GDDR6
GDDR5
Memory Bus
192bit
256bit
Bandwidth
432.0GB/s
179.2GB/s
Render Config
Compute Units
60
20
Shading Units
3840
1280
TMUs
240
80
ROPs
96
32
RT Cores
60
—
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
4 MB
512 KB
L3 Cache
48 MB
—
Theoretical Performance
Pixel Rate
224.2 GPixel/s
29.60 GPixel/s
Texture Rate
560.4 GTexel/s
74.00 GTexel/s
FP16 (half)
71.73 TFLOPS
—
FP32 (float)
35.87 TFLOPS
2.368 TFLOPS
FP64 (double)
1121 GFLOPS
148.0 GFLOPS
Graphics Processor
GPU Name
Navi 32
Curacao
GPU Variant
Navi 32 XT(215-180000006)
Curacao PRO(215-0848000)
Architecture
RDNA 3.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
28.1 billion
2.8 billion
Die Size
346 mm²
212 mm²
Board Design
TDP
180W
150W
Outputs
Portable Device Dependent
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
1x 6-pin
Suggested PSU
—
450 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.2
1.2
Vulkan
1.3
1.2
Shader Model
6.8
5.1
Benchmark
3DMark Time Spy
—
1,603
▲ Specs Compare
Data sourced from official specifications and benchmark tests.