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 HD 7950
CORE STATE
Tahiti
VRAM
3 GB
CLOCK SPEED
—
TDP
200 W
BUS WIDTH
384 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2012
PERFORMANCE BENCHMARKS
3dmark_3dmark_steel_nomad_dx12
geekbench_opencl
geekbench_vulkan
geekbench_metal
DETAILED SPECIFICATIONS
SPECIFICATION
680M
HD 7950
Core Specs
Shading Units
768
1,792
+133.3%
Shaders
768
1,792
+133.3%
TMUs
48
112
+133.3%
ROPs
32
32
0.0%
Compute Units
12
28
+133.3%
Clocks
Base Clock
2000 MHz
—
Boost Clock
2200 MHz
—
GPU Clock
—
800 MHz
Memory Clock
System Shared
1250 MHz
5 Gbps effective
Memory
Memory Size
System Shared
3 GB
VRAM (MB)
—
3,072
Memory Type
System Shared
GDDR5
Memory Bus
System Shared
384 bit
Bandwidth
System Dependent
240.0 GB/s
Cache
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
2 MB
768 KB
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
70.40 GPixel/s
25.60 GPixel/s
Texture Rate
105.6 GTexel/s
89.60 GTexel/s
FP32 (TFLOPS)
3.379 TFLOPS
2.867 TFLOPS
FP64 (TFLOPS)
211.2 GFLOPS (1:16)
716.8 GFLOPS (1:4)
FP16 (TFLOPS)
6.758 TFLOPS (2:1)
—
AI/RT
RT Cores
12
—
Power
TDP
50 W
200 W
TDP (W)
50
200
+300.0%
Suggested PSU
—
550 W
Power Connectors
None
2x 6-pin
Architecture
Architecture
RDNA 2.0
GCN 1.0
GPU Name
Rembrandt+
Tahiti
Generation
Navi II IGP
(Rembrandt Mobile)
Southern Islands
(HD 7900)
Process Size
6 nm
28 nm
Transistors
13,100 million
4,313 million
Die Size
208 mm²
352 mm²
Foundry
TSMC
TSMC
Density
63.0M / mm²
12.3M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
Vulkan
1.4
1.2.170
OpenCL
2.0
2.1 (1.2)
Shader Model
6.8
6.5 (5.1)
Physical
Slot Width
IGP
Dual-slot
Length
—
278 mm
10.9 inches
Height
—
111 mm
4.4 inches
Outputs
Portable Device Dependent
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Bus Interface
PCIe 4.0 x8
PCIe 3.0 x16
Other
Launch Price
—
449 USD
Production
Active
End-of-life
Predecessor
Vega II IGP
Northern Islands
Successor
Navi III IGP
Sea Islands