GPU Comparison
RADEON
AMD Radeon 680M
CORE STATE
Rembrandt+
VRAM
System Shared
CLOCK SPEED
2200 MHz
TDP
50 W
BUS WIDTH
System Shared
ARCHITECTURE
RDNA 2.0
PROCESS
6 nm
LAUNCH DATE
2023
VS
RADEON
Radeon R9 M295X
CORE STATE
Amethyst
VRAM
4 GB
CLOCK SPEED
—
TDP
250 W
BUS WIDTH
256 bit
ARCHITECTURE
GCN 3.0
PROCESS
28 nm
LAUNCH DATE
2014
PERFORMANCE BENCHMARKS
3dmark_3dmark_steel_nomad_dx12
geekbench_opencl
geekbench_vulkan
geekbench_metal
DETAILED SPECIFICATIONS
SPECIFICATION
680M
R9 M295X
Core Specs
Shading Units
768
2,048
+166.7%
Shaders
768
2,048
+166.7%
TMUs
48
128
+166.7%
ROPs
32
32
0.0%
Compute Units
12
32
+166.7%
Clocks
Base Clock
2000 MHz
—
Boost Clock
2200 MHz
—
GPU Clock
—
723 MHz
Memory Clock
System Shared
1250 MHz
5 Gbps effective
Memory
Memory Size
System Shared
4 GB
VRAM (MB)
—
4,096
Memory Type
System Shared
GDDR5
Memory Bus
System Shared
256 bit
Bandwidth
System Dependent
160.0 GB/s
Cache
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
2 MB
512 KB
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
70.40 GPixel/s
23.14 GPixel/s
Texture Rate
105.6 GTexel/s
92.54 GTexel/s
FP32 (TFLOPS)
3.379 TFLOPS
2.961 TFLOPS
FP64 (TFLOPS)
211.2 GFLOPS (1:16)
185.1 GFLOPS (1:16)
FP16 (TFLOPS)
6.758 TFLOPS (2:1)
2.961 TFLOPS (1:1)
AI/RT
RT Cores
12
—
Power
TDP
50 W
250 W
TDP (W)
50
250
+400.0%
Power Connectors
None
None
Architecture
Architecture
RDNA 2.0
GCN 3.0
GPU Name
Rembrandt+
Amethyst
Generation
Navi II IGP
(Rembrandt Mobile)
Gem System
(R9 M200)
Process Size
6 nm
28 nm
Transistors
13,100 million
5,000 million
Die Size
208 mm²
366 mm²
Foundry
TSMC
TSMC
Density
63.0M / mm²
13.7M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
Vulkan
1.4
1.2.170
OpenCL
2.0
2.1
Shader Model
6.8
6.5
Physical
Slot Width
IGP
MXM Module
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
PCIe 4.0 x8
MXM-B (3.0)
Other
Production
Active
End-of-life
Predecessor
Vega II IGP
Solar System
Successor
Navi III IGP
Polaris Mobile