GPU Comparison
RADEON
AMD Radeon HD 8870M
CORE STATE
Venus
VRAM
2 GB
CLOCK SPEED
775 MHz
TDP
—
BUS WIDTH
128 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2013
VS
RADEON
Radeon RX 9070 GRE
CORE STATE
Navi 48
VRAM
12 GB
CLOCK SPEED
2790 MHz
TDP
220 W
BUS WIDTH
192 bit
ARCHITECTURE
RDNA 4.0
PROCESS
4 nm
LAUNCH DATE
2025
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
HD 8870M
RX 9070 GRE
Core Specs
Shading Units
640
3,072
+380.0%
Shaders
640
3,072
+380.0%
TMUs
40
192
+380.0%
ROPs
16
96
+500.0%
Compute Units
10
48
+380.0%
Clocks
Base Clock
725 MHz
1420 MHz
Boost Clock
775 MHz
2790 MHz
Game Clock
—
2220 MHz
Memory Clock
1125 MHz
4.5 Gbps effective
2250 MHz
18 Gbps effective
Memory
Memory Size
2 GB
12 GB
VRAM (MB)
2,048
12,288
+500.0%
Memory Type
GDDR5
GDDR6
Memory Bus
128 bit
192 bit
Bandwidth
72.00 GB/s
432.0 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
256 KB
8 MB
L3 Cache
—
48 MB
L0 Cache
—
32 KB per WGP
Performance
Pixel Rate
12.40 GPixel/s
267.8 GPixel/s
Texture Rate
31.00 GTexel/s
535.7 GTexel/s
FP32 (TFLOPS)
992.0 GFLOPS
34.28 TFLOPS
FP64 (TFLOPS)
62.00 GFLOPS (1:16)
1,071.4 GFLOPS (1:32)
FP16 (TFLOPS)
—
68.57 TFLOPS (2:1)
AI/RT
RT Cores
—
48
Matrix Cores
—
96
Power
TDP
—
220 W
TDP (W)
—
220
Suggested PSU
—
550 W
Power Connectors
—
2x 8-pin
Architecture
Architecture
GCN 1.0
RDNA 4.0
GPU Name
Venus
Navi 48
Generation
Solar System
(HD 8800M)
Navi IV
(RX 9000)
Process Size
28 nm
4 nm
Transistors
1,500 million
53,900 million
Die Size
123 mm²
357 mm²
Foundry
TSMC
TSMC
Density
12.2M / mm²
151.0M / mm²
API Support
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1 (1.2)
2.2
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
—
Dual-slot
Outputs
—
1x HDMI 2.1b3x DisplayPort 2.1a
Bus Interface
PCIe 3.0 x16
PCIe 5.0 x16
Other
Production
End-of-life
Active
Predecessor
London
Navi III
Successor
Gem System
—