AMD Radeon R9 M295X vs AMD Radeon 680M

GPU · Specs Compare

Products
GPU AMD Radeon R9 M295X AMD · 2014-11
GPU AMD Radeon 680M AMD · 2022-01
Graphics Card
Release Date
Nov 2014
Jan 2022
Generation
Crystal System
Navi II IGP
Type
Mobile
Integrated
Bus Interface
MXM-B (3.0)
PCIe 4.0 x8
Clock Speeds
Memory Clock
1250 MHz
System Shared
Base Clock
—
2000 MHz
Boost Clock
—
2200 MHz
Memory
Memory Size
4GB
System Shared
Memory Type
GDDR5
System Shared
Memory Bus
256bit
System Shared
Bandwidth
160.0GB/s
System Dependent
Render Config
Compute Units
32
12
Shading Units
2048
768
TMUs
128
48
ROPs
32
32
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
512 KB
2 MB
RT Cores
—
12
Theoretical Performance
Pixel Rate
23.14 GPixel/s
70.40 GPixel/s
Texture Rate
92.54 GTexel/s
105.6 GTexel/s
FP16 (half)
2.961 TFLOPS
6.758 TFLOPS
FP32 (float)
2.961 TFLOPS
3.379 TFLOPS
FP64 (double)
185.1 GFLOPS
211.2 GFLOPS
Graphics Processor
GPU Name
Amethyst
Rembrandt
GPU Variant
Amethyst XT
—
Architecture
GCN 3.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
6 nm
Transistors
5 billion
13.1 billion
Die Size
366 mm²
208 mm²
Board Design
TDP
250W
50W
Outputs
No outputs
Portable Device Dependent
Power Connectors
None
None
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.0
2.0
Vulkan
1.2
1.3
Shader Model
6.3
6.7
▲ Specs Compare Data sourced from official specifications and benchmark tests.