GPU Comparison
RADEON
AMD Radeon Pro 455
CORE STATE
Baffin
VRAM
2 GB
CLOCK SPEED
—
TDP
35 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2016
VS
GPU
Arc A770M
CORE STATE
DG2-512
VRAM
16 GB
CLOCK SPEED
2050 MHz
TDP
120 W
BUS WIDTH
256 bit
ARCHITECTURE
Xe-HPG
PROCESS
6 nm
LAUNCH DATE
—
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
3dmark_3dmark_steel_nomad_dx12
geekbench_vulkan
passmark_directx_10
passmark_directx_11
passmark_directx_12
passmark_directx_9
passmark_g2d
passmark_g3d
passmark_gpu_compute
DETAILED SPECIFICATIONS
SPECIFICATION
Pro 455
A770M
Core Specs
Shading Units
768
4,096
+433.3%
Shaders
768
4,096
+433.3%
TMUs
48
256
+433.3%
ROPs
16
128
+700.0%
Compute Units
12
—
Execution Units
—
512
Clocks
Base Clock
—
1650 MHz
Boost Clock
—
2050 MHz
GPU Clock
855 MHz
—
Memory Clock
1270 MHz
5.1 Gbps effective
2000 MHz
16 Gbps effective
Memory
Memory Size
2 GB
16 GB
VRAM (MB)
2,048
16,384
+700.0%
Memory Type
GDDR5
GDDR6
Memory Bus
128 bit
256 bit
Bandwidth
81.28 GB/s
512.0 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
1024 KB
16 MB
Performance
Pixel Rate
13.68 GPixel/s
262.4 GPixel/s
Texture Rate
41.04 GTexel/s
524.8 GTexel/s
FP32 (TFLOPS)
1,313.3 GFLOPS
16.79 TFLOPS
FP64 (TFLOPS)
82.08 GFLOPS (1:16)
—
FP16 (TFLOPS)
1,313.3 GFLOPS (1:1)
33.59 TFLOPS (2:1)
AI/RT
RT Cores
—
32
XMX Cores
—
512
Power
TDP
35 W
120 W
TDP (W)
35
120
+242.9%
Power Connectors
None
—
Architecture
Architecture
GCN 4.0
Xe-HPG
GPU Name
Baffin
DG2-512
Generation
Radeon Pro Mac
(400 Series)
Alchemist
(Arc 7 Mobile)
Process Size
14 nm
6 nm
Transistors
3,000 million
21,700 million
Die Size
123 mm²
406 mm²
Foundry
GlobalFoundries
TSMC
Density
24.4M / mm²
53.4M / mm²
API Support
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.3
1.4
OpenCL
2.1
3.0
Shader Model
6.7
6.6
Physical
Slot Width
MXM Module
IGP
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
PCIe 4.0 x16
Other
Production
End-of-life
End-of-life